HomeHydroponicspH Control and TestingPage 32 pH Control and Testing Showing 373–384 of 552 results Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sort by editor review Added to wishlistRemoved from wishlist 0 PH?98211 Soil Tester, Highly Accurate Automatic Temperature Compensation PH Tester Soil with Four Digit LCD Display, Tapered Hydroponic Soil Tester for Garden, Lawn, Farm, Indoor Detector $35.49 Buy Now + Added to wishlistRemoved from wishlist 0 pH/EC Conductivity Meter with ATC Water Quality Tester 0.0-14.0pH / 0~19.99ms/cm Aquarium, Hydroponics Tool $46.99 Buy Now + Added to wishlistRemoved from wishlist 0 PH/EC/Temp Meter Professional 3 in 1 Portable High Accuracy Handheld Pen Testing Water Quality Tester Meter $27.32 Buy Now + Added to wishlistRemoved from wishlist 0 Phosphate Buffer, pH 6.0 [0.5 M] – 250 ml $34.20 Buy Now + Added to wishlistRemoved from wishlist 0 Phosphate Buffer, pH 6.5 [0.5 M] – 500 ml $62.10 Buy Now + Added to wishlistRemoved from wishlist 0 Phosphate Buffer, pH 7.4 [0.5 M] – 250 ml $34.20 Buy Now + Added to wishlistRemoved from wishlist 0 Phosphate Buffered Saline, PBS (1X), Sterile, 500 mL $21.92 Buy Now + Added to wishlistRemoved from wishlist 0 Phosphoric Acid 75% UniClean America – USA – Rust Remover – Lime Cleaner – Scale Remover – PH Control (Decrease) – Acid Cleaning – Pickling and passivations of steels. (Size: 16 fl oz) $25.00 Buy Now + Added to wishlistRemoved from wishlist 0 Phosphoric Acid 85% – USP Food Grade – 1 Quart – Uses: PH Control and Adjustment, Food & Beverage, Activating Agent, Personal Care, Pharmaceutical, Agriculture – Alliance Chemical $28.00 Buy Now + Added to wishlistRemoved from wishlist 0 Phosphoric Acid 85% Technical Grade – 5 Gallon Pail – Uses: PH Control and Adjustment, Corrosion Inhibitor, Activating Agent, Personal Care, Pharmaceutical, Agriculture – Made in America $319.20 Buy Now + Added to wishlistRemoved from wishlist 0 PINPOINT® High-Precision pH Calibration Fluids Kit (pH Buffer Solution), 12 Piece Set – pH 4.000, 7.000, 10.000 $15.95 Buy Now + Added to wishlistRemoved from wishlist 0 Pinpoint® High-Precision pH Calibration Fluids Kit (pH Buffer Solution), 20 Piece Set – 7.000, 10.000 $17.49 Buy Now + ← 1 2 3 … 29 30 31 32 33 34 35 … 44 45 46 →