Grotek pH Test Strips/Litmus Paper lamp 400 LED Lights: Can control up

LED Lights: Can control up to 24 LED lights

plant-based ingredients to control pests

Bluelab solutions are made with precision to support professional growers who demand consistency and accuracy in hydroponics

Even after use

Growlush HPS 600 Watt Lamp

Grotek pH Test Strips/Litmus Paper lamp 400 LED Lights: Can control uppH 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