Hy-Gen pH Down (Phosphoric Acid 850g/L) Size:1ltr Oyster Shell also contains Chitin

Oyster Shell also contains Chitin which is beneficial to the plants immune system when converted into chitosan by an enzyme released from the plant (chitanase)

I wondered what makes plant seeds so powerful

Start using HYDRO BLOOM in conjunction with HYDRO GROWTH to ensure an optimal transition

reducing the oxygen content

Rock's Pot Grids – Better Drainage

Hy-Gen pH Down (Phosphoric Acid 850g/L) Size:1ltr Oyster Shell also contains ChitinTHIS ITEM CANNOT BE POSTED AS IT IS CLASSIFIED AS "DANGEROUS GOODS". PICK UP IN STORE ONLY. pH up and pH down are tank controllers that will adjust your solution to the desired pH. pH is a measure of the acidity or alkalinity of a solution. The pH scale ranges from 0 to 14. pH 7. 0 is considered neutral and is based on pure water. Solutions with a pH less than 7 are considered acidic, while those above 7 are considered basic (alkaline). pH effects