PH/EC/TDS Meters & Solutions

Milwaukee's most affordable pH tester, range: 0.0 to 14.0 pH, with one point manual calibration, and accuracy of ±0.2 pH. Battery Life: 700 hours. Calibration solution sold separately.

General Hydroponics® uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics® technicians check each batch to ensure that our solutions are

Our new pH Up and pH Down solutions can be used undiluted with the Bluelab pH Controller and Bluelab pH Controller Connect. They're manufactured with premium quality acid/alkali concentration.

Use the PeriPod™ M3 doser with the Bluelab® Pro Controller™ for a fully integrated solution for optimal reservoir dosing. The Bluelab® PeriPod™ M3 is a simple and reliable inclusion that has 1x 120ml (4fl oz)/min peristaltic pump for dosing pH adjuster so

A pure formula that's designed to help your crop reach its maximum potential.

Convenient ready to use liquids, concentrated, fast acting, high purity food grade ingredients. Use pH Up to raise pH of nutrient solution with potassium hydroxide.

General Hydroponics® uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics® technicians check each batch to ensure that our solutions are

pH adjusting crystals that will, once and for all, eliminate the hassles and worries of spilling, splashing and dealing with harsh liquid pH adjusters. Use to adjust the pH of fertilizer and plant micronutrient foliar solutions.

pH adjusting crystals that will, once and for all, eliminate the hassles and worries of spilling, splashing and dealing with harsh liquid pH adjusters. Use to adjust the pH of fertilizer and plant micronutrient foliar solutions.

pH adjusting crystals that will, once and for all, eliminate the hassles and worries of spilling, splashing and dealing with harsh liquid pH adjusters. Use to adjust the pH of fertilizer and plant micronutrient foliar solutions.

Our new pH Up and pH Down solutions can be used undiluted with the Bluelab pH Controller and Bluelab pH Controller Connect. They're manufactured with premium quality acid/alkali concentration.

Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Up. A pH reading below 5.5 is considered too acidic for most hydroponic gardens. This premium pH alkalizer allows you to raise the pH of your nutrient solution. Use pH Up as needed for

Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Up. A pH reading below 5.5 is considered too acidic for most hydroponic gardens. This premium pH alkalizer allows you to raise the pH of your nutrient solution. Use pH Up as needed for

Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Down. A pH reading above 6.5 is considered too alkaline for most hydroponic gardens. This premium pH acidifier allows you to reduce the pH of your nutrient solution. Use pH Down as nee

Measures pH and Temperature. Auto-ranging three point calibration with digital fine tuning. pH buffer 4 solution is in a sponge embedded in a clear cap. Measurement Range: 0-14 pH with a waterproof housing. Digital automatic calibration (one point), with

The Bluelab® Carry Case provides a custom fit so you can use and read your Bluelab® Meter right from the carry case. A firm outer casing offers impact reduction for your Meter. There are two pockets in the top of the case especially made for meter probes.

pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH7.0 first (buffer) then to pH4.0 (slope). Bluelab's EC/CF equipment does not need calibrating as they

pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH7.0 first (buffer) then to pH4.0 (slope). Bluelab's EC/CF equipment does not need calibrating as they

House & Garden pH Osmosis/Stabilize® is effective at stabilizing reverse osmosis (RO) water.

Manufactured from pure concentrates that are pharmaceutical grade.

The highlight of this fully digital controller is an independent dosing control system (IDC) programmed to administer optimum supplement levels without disruption in operation. This unit also features ground loop preventers, a logic load shifter and auto

Low cost portable pH meter with no frills. This easier and faster to calibrate portable meter has a smaller, ergonomic and lighter case design. Other features include 100% larger and easier to read LED Display and long battery life. pH meter, range: 0.0 t

The small and precise flow of the MP810 provides fully automated pH control of aqueous solutions in the hydroponic systems. It has been specifically designed to control the pH in mixing tanks for fertilization. The peristaltic pump allows you to maintain

Kit includes: 4 color comparators, 40 test capsules, 10 each for pH, N, P and K, complete instructions for adjusting soil pH, fertilization guidelines and pH preferences list for over 450 plants for the home, yard and garden. Plants need food (nutrients)