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These loose round plugs fit perfectly into the Gro-Block hole
Molecular Weight: 100
If you are looking for cleaner
A water filter for sink to meet the needs of healthy drinking water for big families
Milwaukee MW803 MAX Waterproof 4-in-1 pH/EC/TDS/Temp Tester – Low Range Monterey Neem Oil These loose round plugs fitAll in One Accuracy: pH, EC, TDS & Temperature in One Waterproof Tester Designed with professional growers in mind, the Milwaukee MW803 MAX Waterproof 4 in 1 Tester is your compact, lightweight solution for testing pH, Electrical Conductivity (EC), Total Dissolved Solids (TDS), and Temperature in one easy to use tool. Whether you're managing a hydroponic system, aquaponics, or irrigation, the MW803 ensures accurate, fast, and reliable readings in all
