Will the PH test drops from GH cause a problem for a plant? It is 3 drops in about 2 gallons of water in a hydro grow.
good question, test your PH and PPM's to be safe watch the plants closely the next 24hrs & be ready to change the res
thanks. What are those drops made out of? I can't imqagine too many things that 3 drops to 2 gallons of water would hurt a plant.