res

can anyone that has used advanced nutrients tell me if this looks good for outdoor runs also i will post another thread asking for advice for germinated seedlings popping out of soil then dieing out please help thank you

Growing in DWC buckets. My PPM is dropping without topping off the reservoir. Does this mean I should increase nutes?

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...