pH Up (Advanced Nutrients) Size:1L Grodan A'OK plugs are designed

Grodan A'OK plugs are designed for seed and cutting propagation prior to "blocking on" into larger growing blocks

so you know that the right nutrients will be made available to your plants

we recommend placing dry probes into the pockets

Choose from a 1:1 or 2:1 waste to product water ratio (both included with unit)

pH Up (Advanced Nutrients) Size:1L Grodan A'OK plugs are designed*In store sales only* The pH Key to a Healthy Garden Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, theres a hidden problem that blocks plants from absorbing nutrients. The problem involves what chemists call pH. pH term describes the relative alkalinity and acidity of the water and root zone media your plants grow with. If you want your hydroponics plants to