Chemboys - pH Up POWDER 55 LB MH Features an internal manual damper

Features an internal manual damper which can be adjusted to open or close

1 - (1L) of Blast Off

These blocks have an excellent water absorption and (re)saturation rate and feature the exclusive Plant Comfort fibre structure which has a lower density of resistance during rooting with no loss of firmness

The gel-filled pH electrode is provided with a waterproof sleeve to protect the BNC connector

Comprised of coco fiber

Chemboys - pH Up POWDER 55 LB MH Features an internal manual damperChemboys pH Up Flake up to 20x stronger than GH; up to 4 6x stronger than Advanced Nutrients NO DYES (Why do others add dyes?) THIS STUFF IS STRONG. BE VERY CAREFUL WEAR SAFETY EQUIPMENT. DO NOT MIX WITH pH DOWN AND YOU MUST ALWAYS DILUTE BY ADDING SMALL AMOUNTS TO WATER SLOWLY AND SAFELY, BEFORE USING.