I use the stuff and it will give a plant 3 weeks worth of what it needs. After that amount of time you should start using your nutes. Adding humus will greatly increase drainage and help with retaining moisture.

Ga Grown!
GaGrown Reviewed by GaGrown on . Do YOu Add extra Lime to Your ProMix? I have used promix and perlite so far for my grows because Its so easy to get. I don't have a car. So I don't have many options. I constantly have low RunnOff Ph problems. 5.7 to 6.2 Even when I Ph Up my water to say 7.5 or even 8 if it falls extreamly low. Should I assume that my ProMix from Crappy tire (Canadian Tire) doesn't have a sufficent amount of dolomite lime added to it. TIt says Netural Ph 7 on the bag but im starting to wonder. I feed with Botanicare Nutes Pro grow pro Rating: 5