Recent content by donuts2009

Hello, i have a 20 gal with 5 neon tetra, 5 harlequin rasbora and 3 zebra danios. I do regular water changes, every week or 2 i change about 10-30% water and vacuum gravel. I live in phoenix, so we have very hard water and ph is high, like around 8. All water parameters are normal, tank is a...