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The HI99131 TDS water tester is supplied with the HI73127 replaceable pH electrode
Phosphorus Uptake: The phosphate technology in these nutrient products helps keep phosphorous available for plant uptake
500 gallons purified)
Misting kits available for even greater cooling
Heavy Duty 72-Cell Pack Square Plug Flat Insert Quantity:Pack of 100 The HI99131 TDS water testerHeavy Duty 72 Cell Pack Square Plug Flat Inserts are reuseable cell packs can last for many seasons of growing. Made of heavy duty polystyrene plastic, these packs fit standard single flat trays. BPA Free Recyclable Dimensions: 22" x 10" x 2"
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US$ 39.00
