Originally Posted by RetroHavoc
I do a 50% every week
Using api test drops
Ph is high donít know specific
Discus prefer soft, acidic water.
Small discus should be receiving 50% daily water changes and high feedings to be at there healthiest.
0 nitrates is a concern. Are you performing the test exactly as the directions state? with a single 50% water change and a cycled tank there is no way your NO3
is at 0