03-11-2009, 02:36 AM
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You may wish to consider performing water changes twice a week to help get nitrites under control as well as nitrates. You may also wish to vaccum the substrate or gravel once a week. a small area , say one third ,and a different area each week. I might also were it me, reduce the amount of food offered to once every other day for a while. If you consider these suggestions you may find that you have no need for ammonia reducing,or phosphate reducing products. These suggestions should also help the fish, who might be struggling with elevated nitrites.NitrAtes you posted aren't bad but by reducing the amount of food and the frequency of feedings along with water changes and vaccuming the gravel as described.. they are easily controlled. Nothing benefits the fish more than proper tank maintenence and once you get a routine down ,then fish keeping becomes much more enjoyable. I believe your tank 's good bacteria is trying to catch up with the number of fish you have which is considerably more than the six danios you used for cycling. Check your water daily for a while and perform water changes as needed to help reduce nitrites and nitrAtes and the fish should respond favorably. The products you are using are in my view,, fine for temporary use but , Water changes, along with not overfeeding or over stocking, will yield the same results much faster,and much cheaper. These products must be replaced when their ability to perform expires and folks at the fish stores are more than happy to sell you more tonics and potions and as stated,, The same results can be produced much easier and more cheaply , and that leaves more money in your pocket for more fish. I nearly forgot...
Maintaining your filter is also very important for the health of your fish. Rinse the filter material frequently in old aquarium water that you take out during water changes each week and then you can reuse it. Never clean the material with tap water, and when it begins to deteriorate (fall apart) then replace it. I hope some of this proves helpful.