Hey guys,
This is my first post, so bear with me... I'm going to try to answer all of the preliminary questions:
The tank is a 29 gallon I've had set up for 8 months now. It has 6 neon tetras, 6 black neons, 2 guppies, 2 platies, and 2 neon blue DG's. I do 25% water changes every week, my PH...