Aqua Master Combo Pen P110 Pro Opticlimate the Osram Plantastar is a

the Osram Plantastar is a high quality HPS bulb that is compatible with almost any reflector and ballast

Amino acids are the building blocks of proteins

making it an eco-conscious choice

It's made at Quest's highest standards of quality and performance

Aqua Master Combo Pen P110 Pro Opticlimate the Osram Plantastar is aOverview The Combo Pen P110 Pro from Aqua Master features a modern design and heavy duty housing to prevent damage. This pen is ideal for measuring the EC, pH and temperature of your nutrient solution. The pen comes fully calibrated and includes batteries, so you can use it straight away. General Information One unit to measure EC, pH and water temperature. Unlike many others on the market, the Combo Pen P110 Pro is designed for dry storage, meaning