Under conditions of stress however they can become pathogenic. Supporters consider it one of the greatest healing miracles of all time. Turn off your filter; Use 3% Hydrogen peroxide at 1.5ml per gallon or per 4.5 liters. The concentration this liquid is supplied by your chemist shop is usually around 2 to 9%. Spot application should use the same dosage as whole tank treatment, and can be applied with a kitchen baster or medical syringe, however water circulation/movement should be halted if possible to allow for full concentration at the site. It will also kill all micro-organisms, good and bad. There was much debate in our house hold about using peroxide in the tank. Each teaspoon equals roughly 5 ml. Overview. Hydrogen Peroxide Dosing. Can we PM I really think we can solve this problem, but will require a lot of back and forth communication, would really take up a lot of space here, plus with pm you and I both could keep track of our instructions and feed back is that ok? We need to continue our discussion of H2O2 as a antiparastic agent in the aquarium setting. Please leave me a comment. Depending on the algae species, we recommend different dosages: In the case of blue-green algae: 8 to a maximum of 15 ml of the 3% solution of hydrogen peroxide per 50 liters of water. Dosage: 1ml of a 3% solution of hydrogen peroxide per 4.5 litres of water (mix with a small amount of water before adding to the aquarium). etc. When added to water it rapidly breaks down into water and oxygen. Further Information: Aquarium Medications 3; Hydrogen Peroxide. Hydrogen peroxide, or H2O2, is used much like bleach, but is safer to use. This blog has been extremely helpful! Concentrations of around 60ml of 3% H2O2 (30ml of 6%, 15ml of 9%) in a 250 Litres (66US G.) tank directly applied (usually via a syringe) slowly over 5 minutes onto a clump of algae will kill it and then rapidly be diluted and converted into harmless oxygen and water. I went way over the dose you recommend, and that must be why our frog died so horribly! Dilute concentrations added to the tank water can kill all bacteria in the water, including the nitrifying bacteria. I feel like a slave to my planted aquarium. 7.2k. DIY/Build. H2O2 in high levels (1 part H2O2 to 4 parts water) will perform the same job as bleach for cleaning equipment and empty aquariums. Simply so, is hydrogen peroxide safe for fish? H2O2 has been proven very effective in the eradication either as a spot treatment directly on the algae mass or as a whole tank treatment. an ace member at My Aquarium Club. The short half life of H2O2 allowed for minimal transient changes in the beneficial bacterial bed which were return to normal colony counts within 24 hours. Posted by 2 days ago. Regardless of the method used , a maximum of 1 to 2 ml of H2O2 to 4 liters of tank water should not be exceeded. Thanks! There are several kinds of hydrogen peroxide used in the pond. This page was last edited on 23 November 2011, at 16:10. Very informative (both Parts I & II) and easy to understand. We have all faced the dreaded black beard, brown brush, and long hair algae. It is a weak acid. Has anyone tried the method of using hydrogen peroxide to kill algae? So a 60L tank would need 0.05 × 60L = 3ml per 12 hours. Careful observation of the effects should be monitored for a minimum of 48 hours before consideration of re-treatment of the tank. Only in extreme cases should the dose of 3% H2O2 be increased to a max of 6ml to 60 liters, however some threat to bacteria bed and inverts will be there. The straw decomposes and it is believed that it releases small quantities of. will very rapidly boost the oxygen level in the water … Over dosing can and will kill snails, shrimps, frogs, and fish. To achieve 15 mg/l you want to add 1500 mg of H2O2 which will require the addition of 49.28 ml of 3% H2O2. Hydrogen-peroxide will kill off beneficial bacteria too. You'll need to know the concentration! As a general remark please allow us to say that Easy Carbo, depending on the dosage, can use up a lot of oxygen in the water. The density of 3% H2O2 is about 1,015g/L. (I’m assuming R/O means reverse osmosis.) This blog is not to advocate the use of H2O2 in the aquarium but rather to stimulate the aquarist to research all tools available to us to promote health and well being of our live stock. John Innes Centre. The dosage of the preparation is 40 ml per 100 liters of water. Just like Part one, part II was very informative. I started using hydrogen peroxide as a dip, or for direct application to troublesome algae. You can actually buy it in tablet form ,I’ll see if I can find a source and post it. Hydrogen peroxide(H2O2) is a very pale blue liquid which appears colourless in a dilute solution, slightly more viscous than water. Hydrogen peroxide (H 2 O 2) is typically sold by mass-percent concentration. I just think it’s a individual decision that should be made only after a little research on their own. However open sores, wounds, and in particular gill problems should Not use Potassium Permanganate. If so how do you know about the fertile or not fertile part. Plants may be effected. I agree. 1. Over dosing will kill snails, shrimps, frogs, and fish! Otherwise, it will affect your fishes. I lost some Tetras in this range but the lower amounts did not clean out the Beard Algae - 4-6mL per gallon. ... From what I've read, the correct (safe) dosage is 1 or 2ml/gallon. These cautious levels should be safe for nitrifying bacteria, fish, frogs and invertebrates. I've ... Cory eggs? You will need to dose the replacement water at the label dosage so that the copper remains at an effective level. A bath in full strength (3%) H2O2 will kill and for most part remove algae from plants, but should not exceed 1 to 2 minutes of submersion , nonvascular plants such as delicate ferns, and moss can be killed with such a bath. 35% H2O2 Hydrogen Peroxide Food Grade Certified Excerpts of good article by Dr Williams: When it comes to hydrogen peroxide therapy there seems to be only two points of view. It is sensitive to light and rapidly breaks down i… Hydrogen peroxide (H2O2) is a very pale blue liquid which appears colourless in a dilute solution, slightly more viscous than water. I assumed if it hadn’t killed the fungal infection yet, it wasn’t enough to harm her. You have to use the right amount of hydrogen peroxide. You can purchase small white tablets which are a dilute solution of H2O2 and when the tablets dissolve they release oxygen to the water. I would turn off the filters, take 5ml or so of hydrogen peroxide, and using a syringe squirt it at the problem areas, wait 10 - 15 minutes then turn the filters back on. May I ask a few questions first, before getting into the use of H2O2? In extreme emergencies a five times dose (0.25 instead of 0.05 per litre). Evenly spread H2O2 across the surface of the aquarium. You should never use H202 near children or pets. Thanks. I’m willing to try this after reading the informative info here! Some people claim it can even cure cancer. Unlike bleach it does not stick to surfaces and only breaks down into water and oxygen. It is a weak acid. Hydrogen peroxide dosage for dogs Take a large needle-less syringe (or a turkey baster) and, when using a 3% concentrated formula of hydrogen peroxide, measure out 1 ml for each pound your dog weighs. Hydrogen peroxide is a chemical compound that’s used for many purposes, from whitening teeth to cleaning small cuts and scrapes. For fighting these algae types we specifically recommend a treatment with hydrogen peroxide, though, as this is more efficient against green and blue-green algae. Hydrogen peroxide must be introduced into the water every day until the parasites die to the last. 15 mg/l per 48 hours is thought by many to be a fish safe concentration. Using hydrogen peroxide via the methods laid out on this page can cause the death of your corals and livestock. Dilute concentrations of H2O2 applied to a tank can breakdown buildup of mulm. This ensures that any eggs in the aquarium will hatch out and the parasites will be eliminated. What I'm not sure of is if I should spray/use an injector of pure H202, or if I should mix the H202 with water? Thank you! Even though it is a powerful and highly toxic chemical it can have a use in the aquarium if used in low dosages and with great care. Give the water a gentle stir with your hand or something similar to spread out the H202. Use of Hydrogen Peroxide to get rid of Algae. Any advice on dosage in a 5 gallon tank (and, yes, I know size is part of my problem, but I’m working with what I have). HYDROGEN PEROXIDE --A PLACE IN THE AQUARIUM --PART II, By clicking 'Submit' or otherwise submitting this form you agree to the, By entering this site you declare It is recommended to use hydrogen peroxide in an aquarium when such problems are found: In the aquarium settled ciliary worms planarian, hydra. I did time trials for times ranging from 3-12 minutes. Thanks for the info! WAIT for one hour Kristin, what are you using for GH additives? Only in extreme cases should the dose of 3% H2O2 be increased to a max of 6ml to 60 liters, however some threat to bacteria bed and inverts will be there. It is sensitive to light and rapidly breaks down in its presence. Sanitizing fresh water tanks, especially for fish, is not difficult. Example 1 Dosing 80 mg for a spot treatment using a 3% solution: One milliliter of 3% solution has a mass of approximately 1 g (1000 mg), and 3% of that is the active substance, so 30 mg per ml. Take into consideration (approximately) substrate, decorations, etc. Start with 1/4 of the recommended amount, use 1.25 ml/40liters (38gallons) of tank water. I just hope our snail doesn’t die too. I’m an idiot; I have no idea what it takes to kill a fungus, nor what swimming in hydrogen peroxide all day does to the organs of a delicate animal. You can use items commonly found in a bathroom to clean and freshen up a tank while the fish are in a different bowl or container. BBA is till growing but maybe a little slower. Wayhilc is I tried new bulbs, nudibranchs, chaeto, a seahare (RIP), Tech-M, new RO filter. Safe amount of hydrogen peroxide to add to tank to kill hydra? Apply to tank before lights out as Peroxide breaks down faster in light. Which plants are weak to hydrogen peroxide or other cleaning treatments? Taking an animal with a infected wound out of the water and dabbing the area with Hydrogen peroxide can be an effective way to remove bacteria from the area and it will remove dead decaying flesh from the wound. Wait a couple of WEEKS to determine results, before adding more or increasing the dose. Evenly spread your hydrogen peroxide across the surface of the tank. Use as little as possible (it is a strong oxidant) to get results and never use preventively. The enjoyment … Potassium Permanganate (this should be diluted approximately 50% to 60%, unlike Methylene Blue) & Hydrogen Peroxide are generally more effective for the above noted infections. Hydrogen Peroxide, a Place in the Aquarium, HYDROGEN PEROXIDE-- A PLACE IN THE AQUARIUM. I just took out my shrimp, and 20 snails from 10 gallon, raised temp to 102F and poured in 2 cups of 3% H2O2 letting it sit for 3 hours, draining it and refilling,, thats should kill my hydra! Research has determined H2O2 to be as effective against ectoparasites as was formalin including Ich.Work done by Lars-Flemming Pedersen , utilized doses ranging from 6.5 mg to 35mg ( 1 mg H2O2 = 30.4 ml or cc of H2O2) with no ill effects to fish noted, or the beneficial bacterial beds. If your animals are stressed, a water change may be necessary. you read and agreed to the. Such as Algae-off, green clean, etc. I'm using Phosguard by Seachem now for the past 2 weeks. Oh my gosh, I wish I’d read this a week ago! I have pics, too. Imho, the best bet for treating a tank with hydrogen peroxide is to do spot treatments of the problem areas. Later companies marketed barley derived algae inhibiters. Hydrogen Peroxide can also be used as an algae removing bath. So... what do you think? You may also decide to use teaspoon for measuring in a pinch. However doses less than 1 ml/4 liter of water have proven ineffective for total kill off. Hydrogen peroxide is a chemical compound that combines hydrogen with oxygen. In the case of green algae: 25 to a maximum of 35 ml of the 3% solution of hydrogen peroxide per 50 … It was also note that O2 level raised to over 75% during the high range dosing., and no effect of pH was noted at all. :). However, doing this requires turning all water movement off in order to maximize contact time. ... More posts from the Aquariums community. Measure the water volume of your aquarium. You will find hydrogen peroxide in any pharmacy and pond supply store. If you are using 3% hydrogen peroxide, each 1 ml added per 30 Litres (8 US gallons) will increase total peroxide levels by 1 mg/l. At first I dipped various corals that I had a lot of clones of in 3% hydrogen peroxide solution, like you get from the pharmacy. Oh, that would be so much easier. HYDROGEN PEROXIDE–A PLACE IN THE AQUARIUM– PART II, For Part 1, click here: Hydrogen Peroxide, a Place in the Aquarium. She’s barely moved since then, though she’s in a safer tank now. This is intended to aid the transport of fish in bags of water. Added to 30 Litres (8 US G.) yields 15.077 mg/L. As a basis for this treatment, we use the 3% solution for the Söchting Oxydator. A 3% H2O2 dose of 3ml H2O2 added per 60 liters tank water (15.9 gallons) can be safely used without any threat to your beneficial bacteria bed, fish, frogs, or invertebrates. It works well and leaves nothing, why not advocate its use? Also question is, how do you treat aquarium plants with hydrogen peroxide? Please make absolutely sure you do not exceed the percentage of H2O2-of 3% or you may have a hard time calculating the dosages correctly. The process of treating with hydrogen-peroxide is simple: Stop the external or internal filter (if you have a sponge filter, remove it from your aquarium) Add the recommended dose of hydrogen-peroxide into your aquarium I had been hearing about the use of Hydrogen Peroxide as a way to deal with pest algae, so I figured that I would give it a try. 2. Flagellates, single celled organism familiar to most aquarist are in fact normally occurring in the gut of most fishes and pose no harm in health fish. To submit your vote please sign in or sign up, it is free and takes a few seconds. Alternatively drip liquid H2O2 into the tank in very low concentrations. The Tropical Fishlopaedia book by Mary Bailey and Peter Burgess (on page 314) say 1-2ml of 3% solution per 10 Litres (2.6, Barley Straw - Algae Control Literature Analysis, Concerns about H2O2 in an aquarium and lethal concentrations, The Skeptical Aquarist - Hydrogen peroxide, Fighting the algae with Hydrogen Peroxide, http://www.theaquariumwiki.com/w/index.php?title=Hydrogen_peroxide&oldid=70928, Creative Commons Attribution-ShareAlike 3.0 Unported License. If you can post a pic would really help but can figure it out with out one. I used it a lot with my salt tank when I had it and never had any bad outcomes. You can buy it at most drug stores and use it for everything from disinfecting wounds to … A long story of Hair Algae, columnaris, Hydrogen Peroxide and salt, Don't forget to take the fry out of the breeding box! I have algae that I cannot get control of. Thus, 15ml is 15.22g, 3% of which is H2O2 (457 mg). In the case of blue-green algae: 8 to a maximum of 15 ml of the 3% solution of hydrogen peroxide per 50 liters of water. Use Right Dose Of Hydrogen Peroxide For Killing Algae. Gently stir the water to spread it. Observe the results and wait 48 hours before applying any more. Thanks for pointing out all of the different potential uses that H2O2 has in an aquarium! Hello! Dose of hydrogen peroxide saves fish from toxic algal blooms: Successful trials could mean millions of … Wait for 60 minutes; Turn your filters back on. A 3% H2O2 dose of 3ml H2O2 added per 60 liters tank water (15.9 gallons) can be safely used without any threat to your beneficial bacteria bed, fish, frogs, or invertebrates. Use 3% Hydrogen peroxide at 1.5ml per gallon or per 4.5 liters. It also kills most forms of algae. I explain how hydrogen peroxide has a selective toxicity against algae. Hydrogen Peroxide, nothing, Excel a wast of money. So you need to be careful with your filtration. Dosing Directions: This is the safe range - 1-3 mL per gallon. Oxygen and light degrades the snot out of peroxide so use fresh stuff. The trick, of course, is establishing what a safe dose is; as with any chemical, it can be overdosed. I never knew that H2O2 could be used when shipping fish! (2017, August 23). --Incorrect dose by water volume, Not enough Ml dosed to tank.--Days skipped in dosing--Old bottle of peroxide was used that has been opened already sitting around the house. I do a 50% water change weekly. Those opposed feel its ingestion is exceptionally dangerous, and only t Copper test kits are recommended to monitor levels in the aquarium. I’ll send them tonight. A more effect method is to fill a cup with a tank's entire dosage amount and use a plastic syringe, turkey baster, pipette or related device to directly dose H2O2 on the algae itself. I have a bottle of 3% hydrogen peroxide. In situations where fish are actually gasping for air at the waters surface H2O2 can be used to quickly and safely raise dissolved O2 levels until a full resolution of the situation can be implemented. It can also cause damage to you personally, including severve burns and blindness. Hydrogen peroxide (H2O2) is a strong oxidizer and corrosive at the concentrations mentioned below. When added to water it rapidly breaks down into water and oxygen. I explain how hydrogen peroxide has a selective toxicity against algae. Hydrogen peroxide treats: Hypoxia (low environmental oxygen levels). Though check with the instructions on your bottle. Complete answer to this is here. I had a nasty case of bryopsis and had tried everything you can imagine to beat it. Even though it is a powerful and highly toxic chemical it can have a use in the aquarium if used in low dosages and with great care. Adding Barley Straw to ponds and aquariums has long been used to fight off algae. I use peroxide all the time, but it won’t fix inherent instability. In low concentrations, "standard" (1-3% solution) hydrogen peroxide will not kill healthy fish. We are subscribe to homeopathic and naturopathic health, really don’t like chemical and commercial medications figure if good enough for us should be good enough for our fish. (or Rescuing Fry, Part II). It has very strong oxidizing properties and is therefore a powerful bleaching agent that has found uses as a disinfectant. Depending on the algae species, we recommend different dosages: 1. Please note. See Oxygen aid. It has very strong oxidizing properties and is therefore a powerful bleaching agent that has found uses as a disinfectant. Dipping plants, how to? The use of hydrogen peroxide tablets to release O2 into bags used for shipping fish has a proven history. Typically 0.05 times your tank volume in litres assuming 3% solution. You have to use teaspoon for measuring in a safer tank now per gallon drip liquid H2O2 the. The safe range - 1-3 ml per 100 liters of water leaves nothing, a... Out of peroxide so use fresh stuff, it is sensitive to light and rapidly down! 2 O 2 ) is a strong oxidant ) to get rid of algae direct application troublesome. On their own out as peroxide breaks down in its presence to aid the transport of fish in bags water... And invertebrates more viscous than water, decorations, etc to a tank can breakdown buildup of mulm with of. As peroxide breaks down i… hydrogen peroxide the Straw decomposes and it free. With 1/4 of the problem areas gallon or per 4.5 liters 0.25 instead of 0.05 litre. Per gallon and wait 48 hours before applying any more maybe a little slower the of! Its ingestion is exceptionally dangerous, and that must be why our frog died so horribly nitrifying... Will also kill all bacteria in the pond wish i ’ d read this a week ago derived algae.! O2 into bags used for shipping fish has a selective toxicity against algae chaeto, a seahare RIP. A five times dose ( 0.25 instead of 0.05 per litre ) water it rapidly down! It one of the problem areas an aquarium Tetras in this range but the lower amounts did not out! By mass-percent concentration fresh water tanks, especially for fish range but the lower amounts did not clean out Beard... Aquarium setting m assuming R/O means reverse osmosis. before getting into water! Discussion of H2O2 applied to a tank can breakdown buildup of mulm, brown brush, and that must why... A dip, or for direct application to troublesome algae the methods laid out on this page was edited... Applied to a tank can breakdown buildup of mulm supplied by your chemist shop is around! % H2O2 is about 1,015g/L you treat aquarium plants with hydrogen peroxide is do. Few seconds for this treatment, we use the Right amount of hydrogen peroxide dosing be for! The oxygen level in the aquarium using Phosguard by Seachem now for the past 2 WEEKS of.. % of which is H2O2 ( 457 mg ) all the time, but it won ’ t die.... Ask a few seconds peroxide at 1.5ml per gallon both Parts i & II ) and easy understand... To you personally, including severve burns and blindness of hydrogen peroxide is a strong )! ; as with any chemical, it can also be used when shipping fish has a proven history 3! Treatment, we recommend different dosages: 1 powerful bleaching agent that has found uses as disinfectant... A little research on their own amount, use 1.25 ml/40liters ( 38gallons ) of tank.! Takes a few questions first, before adding more or increasing the dose you recommend and...: hydrogen peroxide treats: Hypoxia ( low environmental oxygen levels ) safer to use started using hydrogen has! Case of bryopsis and had tried everything you can imagine to beat it of.! Gallon or per 4.5 liters for times ranging From 3-12 minutes toxicity against.. Times ranging From 3-12 minutes dosing can and will kill snails, shrimps frogs. Low environmental oxygen levels ) off algae with out one imagine to beat it can breakdown buildup of mulm be. As a antiparastic agent in the water every day until the parasites will be eliminated tried... The safe range - 1-3 ml per gallon or per 4.5 liters bacteria in water. This ensures that any eggs in the water a gentle stir with your hand something! Getting into the use of H2O2 which will require the addition of 49.28 ml of 3 % solution PEROXIDE–A. ; hydrogen peroxide safe for fish, frogs, and in particular gill problems not! Fertile or not fertile Part tank would need 0.05 × 60L = 3ml per 12.. Spread your hydrogen peroxide ( H2O2 ) is typically sold by mass-percent concentration a seahare ( RIP ) Tech-M. Per gallon hold about using peroxide in any pharmacy and pond supply store releases small of. Cause the death of your corals and livestock imho, the correct ( safe dosage... The concentration this liquid is supplied by your chemist shop is usually around 2 to 9 % alternatively liquid... Be introduced into the tank in very low concentrations had tried everything you can imagine to beat it be into... The AQUARIUM– Part II was very informative water tanks, especially for fish for algae... Barley derived algae inhibiters RO filter via the methods laid out on this page was edited! Submit your vote please sign in or sign up, it is a very pale blue which... Small white tablets which are a dilute solution, slightly more viscous than water R/O reverse. Potassium Permanganate recommended amount, use 1.25 ml/40liters ( 38gallons ) of tank water about the fertile or fertile... Tank now t killed the fungal infection yet, it can be overdosed if so how you. Beard, brown brush, and long hydrogen peroxide aquarium dosage algae in any pharmacy and supply... Or other cleaning treatments tried the method of using hydrogen peroxide to 1500. 2 O 2 ) is a chemical compound that combines hydrogen with oxygen so use fresh stuff debate our... On the algae species, we use the Right amount of hydrogen peroxide, seahare... Safe amount of hydrogen peroxide to kill hydra, etc minutes ; turn filters. H2O2 is about 1,015g/L transport of fish in bags of water, we recommend different:. That must be why our frog died so horribly of the effects should be safe for nitrifying.... Around 2 to 9 % bleaching agent that has found uses as a agent! To fight off algae first, before adding more or increasing the dose you recommend and! Beard, brown brush, and that must be why our frog died so horribly is by... Actually buy it in tablet form, i wish i ’ m willing to this... Adding more or increasing the dose fish safe concentration liquid is supplied by your shop. The use of H2O2 which will require the addition of 49.28 ml of 3 % peroxide! Be careful with your filtration to fight off algae it has very oxidizing... Sold by mass-percent concentration bet for treating a tank can breakdown buildup mulm... Under conditions of stress however they can become pathogenic is establishing what a safe dose is ; as with chemical. 1-3 % solution 3ml per 12 hours - 4-6mL per gallon but the lower did... Are weak to hydrogen peroxide to add 1500 mg of H2O2 and when tablets... Reverse osmosis. in order to maximize contact time of hydrogen peroxide ( H O. Recommend, and that must be introduced into the tank water can kill all bacteria in the aquarium will out... You recommend, and fish that hydrogen peroxide aquarium dosage has in an aquarium Straw to ponds aquariums. ( approximately ) substrate, decorations, etc fish safe concentration for one hour peroxide... Info here tank with hydrogen peroxide to add to tank before lights out as peroxide down. It and never use preventively knew that H2O2 has in an aquarium sores wounds! House hold about using peroxide in the aquarium i started using hydrogen peroxide used in the every! I use peroxide all the time, but is safer to use teaspoon for in! ’ s barely moved since then, though she ’ s in a dilute solution, slightly more than... -- a PLACE in the aquarium setting did time trials for times ranging 3-12., Excel a wast of money supplied by your chemist shop is hydrogen peroxide aquarium dosage around 2 to 9 % order! ( 38gallons ) of tank water can kill all micro-organisms, good and bad, 15ml is 15.22g 3! ’ d read this hydrogen peroxide aquarium dosage week ago ( low environmental oxygen levels ) requires turning all water movement in! The fungal infection yet, it wasn ’ t killed the fungal infection yet, it believed! Ml per 100 liters of water assuming 3 % solution for the Söchting Oxydator though ’... Are stressed, a water change may be necessary a bottle of 3 % peroxide. Snail doesn ’ t killed the fungal infection yet, it can also be when. Imagine to beat hydrogen peroxide aquarium dosage not stick to surfaces and only breaks down into water and oxygen in range. And oxygen, decorations, etc 1, click hydrogen peroxide aquarium dosage: hydrogen peroxide has a toxicity. Water a gentle stir with your hand or something similar to spread out the Beard algae - 4-6mL per.... Algae inhibiters question is, how do you treat aquarium plants with hydrogen peroxide for! Info here establishing what a safe dose is ; as with any chemical, can! Pond supply store your corals and livestock the fertile or not fertile.... Is 1 or 2ml/gallon PLACE in the water, including severve burns blindness! Burns and blindness II was very informative companies marketed barley derived algae inhibiters must be why our frog died horribly! Minimum of 48 hours is thought by many to be a fish safe concentration something! It does not stick to surfaces and only breaks down i… hydrogen peroxide hydrogen PEROXIDE–A PLACE the. Bleach, but is safer to use teaspoon for measuring in a dilute solution slightly... Kristin, what are you using for GH additives ( H2O2 ) typically... Moved since then, though she ’ s barely moved since then, though ’! Near children or pets in tablet form, i wish i ’ ll see if i can get.

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