c02 overdose?

[josephjeon]

I don't have any fish in my tank yet because I am growing out plants before putting any fish in... but do you guys think I'm overdosing my tank with c02? I have a 10 gallon tank I use a fluval mini-pressurized c02 kit (20g) with and a dosing of flourish excel (just VERY little... the suction thingy full) every day. I leave nutrigrow lights on 12 hours a day. What do you guys think? And is c02 bad for fish?

 

[Capsaicin]

If you don't have any fish in the tank then run the co2 to it's max! I have no fish in my 10g right now and my drop checker is bright yellow. Once you introduce some creatures you want to lower your co2 levels.

 

[JasonG75]

If you plan on having fish you are going to need a drop checker with CALIBRATED 4dkh solution (not tank water as recommended by the drop checker manufactor)