Grotek pH Test Strips/Litmus Paper nude wire core ducting "Upgrade your liquid conveyance system

"Upgrade your liquid conveyance system with Black Vinyl Tubing

or nutrients

Over 95% high reflective aluminum

Multi Zyme helps to break down and dissolve organic matter and also increases the plants resistance to disease and stress

Week 2: 2 mL/L

Grotek pH Test Strips/Litmus Paper nude wire core ducting "Upgrade your liquid conveyance systempH Paper (Litmus Paper) Simple and Reliable pH Testing Without a Meter pH paper, commonly referred to as litmus paper, provides a quick and convenient way to determine the pH level of a solution without using a pH pen or electronic meter. It is an ideal solution for growers, educators, and technicians who require fast, visual pH indication. What Is pH Paper? pH paper is a chemically treated test strip that changes color when exposed to a liquid. By