Who Gives A Fish Forums

Thanks for the tips, everyone. I'll grab a broader test kit and check those other parameters. My CO2's around 30 ppm, and I'm using a basic all-in-one fert, but maybe it's not enough. Appreciate the help!

I've been keeping a planted tank for a few months now, and my plants aren't thriving like I expected. I test for ammonia, nitrite, and nitrate regularly, but should I be testing for other stuff too? My tank's a 20 gallon with Fluval Stratum, moderate lighting, and CO2 injection. Plants include ...