I use the API freshwater master testing kit (liquid based). How often would you suggest I perform a water change? I thought 40 ppm was a little high, so did 3 water changes daily of about 25%. The nitrate didn't change....
I read on this forum that the bottle #2 for the nitrate testing...
I have a 10 gallon tank, about 2 years old.
I will admit that I got the tank with very little knowledge of the biological filter, and how to maintain it.
I will also admit that I didn't get very good advice at the lfs, so unfortunatley have lost a couple fish along the way....
Up until recently...