Water Control

GH pH Down Pro is a premium solution for maintaining and lowering a nutrient's pH level. Acid formulated using food-grade phosphoric acid. Just add a little at a time if your nutrient pH is too high in order to lower the pH to the proper level.

NUTRI+® PHOSPHORIC ACID is a highly concentrated solution used to lower the pH level of a plant nutrient solution.

Green Gold Electrode Cleaning Solution works to clean both, pH & conductivity meters. Removes both organic & inorganic deposits from meter sensors. Use monthly or as needed to refresh your meter & keep it working. Compatible with most testers.

Bluelab pH Probe KCI Storage Solution is designed to increase response time & maximize the life of Bluelab pH pens & probes. For best results, use KCI solution to store the pH pen/probe after use & hydrate monthly.

Fluval's pH Wide Range Test (4.5 - 9.0) measures the general range of pH in fresh or salt water aquariums. By determining whether your water is acidic or alkaline, you can create a natural habitat for your fish & or plants.

Built with affordable & advanced technology, the replaceable double-junction Bluelab pH Probe has been designed with longevity in mind.

Gardeners can conveniently test moisture & pH levels with the handy Active Air 2-Way Meter. Moisture readings register on a scale of 0 (dry) to 10 (moist). pH readings between pH 3 (acidic) & pH 10 (basic) are represented.

Hanna Battery for pH or PPM Pen sold each individually

Bluelab's Conductivity Pen (EC or ppm) measures conductivity & temperature.

An economical, entry level, micro-sized, portable reverse osmosis system. 0.75 gal per day solution. Includes KDF/carbon pre-filter, 75 GPD membrane, garden hose connector, ¼" shut off valve & pressure gauge.

High quality solutions formulated for calibrating pH probes. Bluelab® calibration solutions are essential for use with all Bluelab® products.

The TDS-1 is economically priced, reliable, & is ideal for testing applications such as hydroponics, gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water & more. Measures electrical conductivity & total dissolved solids.