I'm struggling to lower the nitrite levels in my fresh water aquarium (20 gallons). I've done several water changes (about %40) ever other day and the nitrite levels do not go down. I use Tetra Easy Strips to test the water (Nitrates, Nitrites, Hardiness, Chlorine, Alkalinity and pH). I've have a total of 9 fish in my tank (one just died). With the exception of the bottom feeders, the other fish stay at the top of the tank near the filter. They don't swim around and appear lethargic. I'm sure it has to do with the high nitrite levels in the water. When I do the water changes, I ensure that there is no chlorine in the water. I use the test strips on the water and the water appears perfect, but when I add it to my tank, nothing changes. I've added Prime as well. Nitrite levels are still high, water is acidic and pH levels are low. I feel that the constant water changes are stressing the fish out. I've talked to several people as Petsmart and I get contradicting opinions about what to do; I always end up buying some other chemical that is suppose to help, but it doesn't. Even chemicals that are suppose to contain bacteria (API Quick Start) and chemicals that are suppose to decrease nitrite toxicity (Nite-Out II) don't appear to work. Should I just do nothing and wait? Should I do another water replacement (maybe 60% this time)? Any suggestions would be appreciated.
Are you certain you are reading nitrites with an I and not nitrAtes with an A?
Test strips are notoriously inaccurate so level's could be more,,or less. However water changes don't lie and are quickest way to lower toxins .
If this is new tank ,and has not cycled,, then daily 50 % water changes with PRIME will be needed for next three to four weeks along with very tiny amount of food every other day or every two day's.
Otherwise fishes will be poisoned by their own waste and excess food bit's.
Most tapwater nowday's is treated with chloramine which is combination of chlorine/ammonia.
Prime will detoxify ammonia and chlorine and would be my choice.
If it don't clearly say on bottle that conditioner treat's ammonia,,then it dont.
1077 is correct, the liquid API Freshwater Master kit is much more accurate than strips.
Nitrites are very toxic. At high levels, even toxic enough to inhibit the growth of the nitrobacter bacteria that convert it to nitrAtes. So even using QuickStart, the colony growth can be inhibited. Again, as 1077 suggests, water changes to get the levels down is required. Prime does detoxify nitrites, but only for 24-48 hours, so adjust your water changes as required.
Also, although probably not a factor, but once you get the liquid test kit, test your tap/source water as well for a base line as it can sometimes be very revealing.
Keep us posted.
Nitrite Levels Too High Again
Today will be my 5th consecutive day of completing a 50% water change on my 20 gallon fresh water tank. The nitrite levels are not going down, even with the addition of Prime and API Stress Zyme+. You would think after so many water changes the Nitrite levels would become diluted (the water is acidic as well). One thing I forgot to mention in my last post is that one fish had babies (orange body with back tail). I counted about 20 so far. They are not being eaten by any of the other fish which has me concerned that if they grown my tank will become overcrowded. Are they the cause of the problem? I'm at a loss. Should I continue with the water changes or just stop and let nature takes its course?
Eric in Fairfax, VA
Nitrite Levels Still Too High
Today will be my 5th consecutive day of completing a 50% water change on my 20 gallon fresh water tank. The nitrite levels are not going down, even with the addition of Prime and API Stress Zyme+. You would think after so many water changes the Nitrite levels would become diluted (the water is acidic as well). One thing I forgot to mention in my last post is that one fish had about 15 - 20 babies (orange body with back tail). They are not being eaten by any of the other fish which has me concerned that if they grown my tank will become overcrowded. Are they the cause of the high nitrite problem? I'm at a loss. Should I continue with the water changes or just stop and let nature takes its course? Should I get rid of the babies?
Eric in Fairfax, VA
How long has the tank been established? If it is less than two months old, it is probably still in its nitrite phase, soon to be rendered harmless by bacteria cultures that will convert nitrite to nitrate. Nitrate is harmless at low levels. But what is happening now, even though you are diluting the nitrite daily, is that ammonia (fish waste. decomposing flake food) is being converted by bacteria into more nitrite. Until sufficient bacteria colonies are in place, to complete the cycle, the nitrite will remain. At least your water changes are preventing it from spiking to even more dangerous levels. I would continue.
No. The Baby platies are not to blame (probably they are red or marigold wagtail platies). Yes, they should be grown out in another tank or allowed simply to remain, where the parents will thin them out. Baby fish are more sensitive to ammonia and nitrite, so you could net them and give them to a LFS. One of my LFSs has a planted tank that is swimming with donated fry of livebearers.
Water for platies should not be acidic. Neutral to slightly alkaline water would be better for them (pH 7.2-7.8 or so). You must be in one of the few places in the country where the water is great for Amazonian fish. All the rest of us have to cope with hard alkaline water. I would try to bring the pH up slowly by using a buffer. It's definitely easier to raise pH than lower it.
Have you tested the tap water for ammonia, nitrite and nitrate (all three are good to know) now that you have the API liquid kit?
Is ammonia showing with the API liquid test (in the tank water here)?
What is the tank pH, and what is the tap water pH for comparison? When testing the tap water, put some in a jar with a lid and shake it briskly for several moments to out-gas the CO2.
What are the fish in the tank? How often are they fed? What is the temperature?
Edit: I came across another new thread on this same issue and merged it into this one. It is better to keep a topic in one thread. B.
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