I heard that when you use a coil denitrator, although it reduces nitrates, the aerobic bacteria (ie. bacteria that live without oxygen), actually convert the nitrate back into ammonium, which is more toxic. I might be wrong though but I am pretty sure there are a few websites that mention it.
nitrate removal?
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To reduce nitrates naturally without changing the water, the best way is with plants. Some people use a sump filter completely filled with nitrate loving plants. This sump is lit up with strong lighting 24hrs a day. It reduces the nitrates consideraballly. However, this method takes up alot of space and also doesn't look very nice unless it is well hidden.
There is also a product available from Tetra called "Easybalance". When you add this to your tank (I think once a week), you do not have to change the water for 6 months as it makes the nitrate completely safe. However, this can only be used for freshwater and not salt. There is also a product called "Nitra-Zorb" which absorbs ammonia, nitrite and nitrate. You leave it in the sump or canister filter and it just absorbs those chemicals. You can then re-use it by soaking it in a salty solution overnight. It basically removes 20mg/l of nitrate every 24-48 hrs when used correctly.
There is also a product available from Tetra called "Easybalance". When you add this to your tank (I think once a week), you do not have to change the water for 6 months as it makes the nitrate completely safe. However, this can only be used for freshwater and not salt. There is also a product called "Nitra-Zorb" which absorbs ammonia, nitrite and nitrate. You leave it in the sump or canister filter and it just absorbs those chemicals. You can then re-use it by soaking it in a salty solution overnight. It basically removes 20mg/l of nitrate every 24-48 hrs when used correctly.
to musho3210. yeah i will have to check into it coz i also read somewhere about what you wrote. so i am not sure which one is correct.
legendaryfrog
Tactical Refreshment Action
most chemicals that claim to reduce nitrates dont really work.
Although yes, nitrate does turn into ammonium, it is very quickly gasses off as nitrogen gas. It does not pose a threat to your fish.
Although yes, nitrate does turn into ammonium, it is very quickly gasses off as nitrogen gas. It does not pose a threat to your fish.
Have been investigating Nitrate removal, since I get 50ppm straight out of the tap.
Here's a interesting link utilising PVC tubing to create anaerobic conditions, so long as the flow rate is less than 50 gal/hr, although biased to their own products (naturally given where I'm looking).
http://www.seachem.com/support/forums/showthread.php?t=365
Although they do encourage PWC's and high absorbing plants (hornwort, water sprite, frogbit etc) first, with chemical filtration mopping up the excess.
Here's a interesting link utilising PVC tubing to create anaerobic conditions, so long as the flow rate is less than 50 gal/hr, although biased to their own products (naturally given where I'm looking).
http://www.seachem.com/support/forums/showthread.php?t=365
Although they do encourage PWC's and high absorbing plants (hornwort, water sprite, frogbit etc) first, with chemical filtration mopping up the excess.
Have you tried any commercial nitrate removal products? I recently began using X-NO3 nitrate remover and it is a miracle worker. I highly recommend it to anyone with nitrate issues.
IME, wet-dry setups increase nitrates rather than decreasing them, since they trap the wastes in an area that can't be easily accessed by critters, and are high-oxygen zones (nitrate reducers are anaerobic). Planted sump will work better, along with increased water changes.
tanker
Josh Holloway--Be mine!!!
People:
Please stop jumping on, or posting to threads that are so old. The original "poster" posted this thread 8 years ago, and has not been on this forum for 6years.
Please stop jumping on, or posting to threads that are so old. The original "poster" posted this thread 8 years ago, and has not been on this forum for 6years.
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