Hi everyone, I just made my account, but I have no doubt already been all up in and throughout this forum the last couple months. I’m new to the hobby, and like many of my hobbies and interests, I went from 0 - 100 real quick. I already have a CO2 setup and triple needle valve regulator and two...

Hey everyone. Thanks for reading this. I've been keeping fish for over 20 years but never planted tanks before. I have a 75 gallon with Eco complete, 216 watts of 6700 and 10000k lighting. Ph is 6.6, ammonia is .25, nitrite 0, nitrate 5. The kh is 4 and that according to co2 chart means I have...