Chemboys - pH Up POWDER 8 LB ph-ec-tds-meters-and-solutions High humidity will interfere with

High humidity will interfere with the filters ability to adsorb odors

meaning you use less Dyna-Gro in every gal- lon of water

Introducing the world's first HPS lens filter

The gel-filled pH electrode is replaceable and the BNC connector is protected behind a waterproof sleeve

The Commercial DE Open Lighting System features state-of-the-art double-ended technology that uniformly delivers optimum PAR value over a broad footprint

Chemboys - pH Up POWDER 8 LB ph-ec-tds-meters-and-solutions High humidity will interfere withChemboys 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.