VPD controls how much water the plant loses, which controls cooling, nutrient uptake, stomatal behaviour, and...
GHF Calmag
VPD controls how much water the plant loses, which controls cooling, nutrient uptake, stomatal behaviour, and...
Extra mineral aerated compost tea (calcium and trace element)
How to make simple compost tea !
How to use autopot with Greenhouse Feeding mineral line
Autopot + GHF Bioline
Our GROW is back in stock with a new formula!