pH |EC| TDS Meter and Solutions
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GH pH Test Kit 1 oz
General HydroponicsOriginal price $9.59Original price $9.59 - Original price $9.59Original price $9.59Current price $5.93$5.93 - $5.93Current price $5.93General Hydroponics® pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and obs...
View full detailsOriginal price $9.59Original price $9.59 - Original price $9.59Original price $9.59Current price $5.93$5.93 - $5.93Current price $5.93