tank

I just started to make some experiments with Calcium Hypochlorite to keep my res clean and dead (sterile). I bought ORP meter which should reveal the oxidation (killing) potential of the water. I tried different measures in different times. The goal is to find out how often and what dosage we...

So 3 days ago I mixed up some nutrients I put in cal/mg Rhizo zym and a and b mixed in 10 liters of water that I let sit overnight and now it smells a bit don't seem to be cloudy but had little bits floating will it still be OK is it just the Rhizo causing it temp is usually about 20 to 22c also...

I have just recently upgraded and installed a Co2 into my Veg Room. I am also going to be installing this in my first grow room thats currently flowering. I have it set at 1500 ppm for all day during light hours. Now here is my question(s) - Can i have my Carbon Filter on at the same time? i...