1 Piece TDS EC Testor. Upgraded with big backlit LCD for easier reading, and function for easier use. Accuracy: ± 2%. 1 Piece Protective Sleeve. 1 Piece Instruction Book.
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The Atlas Scientific pH 4.00 Calibration Solution Pouche are designed for precise calibration of pH meters in hydroponics systems. Manufactured by Atlas Scientific, these pouches contain a solution with a pH value of 4.00, ideal for maintaining optimal acidic conditions in your garden or outdoor space. With dimensions of 8 x 6 x 4 inches and a weight of 1.26 pounds, this pouch is a convenient and reliable solution for monitoring and adjusting the pH levels in your hydroponic setup.
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Application: water testing in the field, laboratory, pool, spa, hydroponics, aquarium, fish tank and other waste water applications.
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New in box. Set it up, but never used. 3 sections - 12 pods for growing.
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AI21040 - GroStar GS4 pH/EC/500ppm/700ppm & Temp (5-in-1) Combo Pen. • Double junction replaceable probe, so you don’t have to discard the entire pen when the probe reaches its end of life. • Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance.
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A hardy, compact pH and temperature pen. Perfect for quick and easy pH and temperature readings direct from your solution.
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All readings are automatically temperature compensated. They have a lifespan of about 1 to 3 years depending on the rate of sampling. All Essential testers are water resistant, which allows for easy washing.
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BlueLab Truncheon - Nutrient EC Stick. Understanding the conductivity of the nutrient solution takes the guesswork out of feeding plants. It will also save you money! To take a reading of your solution - simply place the probe head into the solution and the reading is indicated by the flashing lights.
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