I cannot shake these persistant nitrate problems. I have the same problem in both the frog tank and the cory cat tank. I have lost 3 cories so far. All the other parameters are fine. The frogs dont seem to care so far and are growing (and have also stayed in the tank, at least I am doing something right there!)

I dont understand why I have this issue all the time. I do water changes as prescribed, using the seachem prime.

I know there is nothing to do but water changes but with a 10 gallon tank I can only do so much or the water will be all new all the time.

Thanks for listening.
Carole