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GroPro Waterproof Portable pH/EC/TDS/Temperature Meter for Hydroponics - HI9814   CURRENT PHONE DEAL!
This item is part of a current promotion only valid today! On sale now for only $199.95. This is ..
Hanna 1500ppm Calibration Solution 20ml Sachet
Hanna Instruments' calibration solution, ideal for gardening, laboratory work, and field experime..
Hanna Combo Waterproof ph/EC/TDS/Temp
  The HI 98129 Combo waterproof tester offer high accuracy pH, EC/TDS and temperature me..
Hanna GroChek pH/EC/TDS/C Portable meter
  The GroChek Portable Meter is a versatile, water-resistant multiparameter portable met..
Hanna pH 4.01 Calibration Solution 20ml Sachet
Hanna's Buffer solutions are made from established formulas and are standardized with a pH meter ..
Hanna pH 7.01 Calibration Solution 20ml Sachet
  pH 7 is the most frequently used pH buffer. All Hanna solution bottles come with a pH ..
Hanna pH/EC Controller System
Water pH is still important for plant management because it affects the solubility of fertilizers..


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