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LaMotte® Hydroponics 4-Way Test Kit

The Hydroponics 4-Way Test Kit offers tests for pH and three key nutrient factors: nitrogen, phosphorus and potassium.

  • Includes materials to perform 50 tests
  • Offers tests for pH, nitrogen, phosphorus, and potassium
  • 75 page handbook included
It allows the hydroponic hobbyist to maintain proper nutrient balance and to achieve optimum growing conditions in soil-less cultures. Reagents sufficient for 50 tests per factor and complete labware are foam-mounted in a sturdy carrying case. Instructions and 75-page hydroponics handbook are supplied.



Item # Description Range No. of Tests Unit Availability Price Quantity
470228-880 Hydroponics Test Kit
Hazardous Product
pH 4.5-8.0;
Nitrate Nitrogen 5-200 ppm;
Phosphorous 3-30 ppm;
Sulfate 0-200 ppm;
Potassium 0-250 ppm
50 Each Retrieving Restricted
restricted This product is marked as restricted and can only be purchased by approved Shipping Accounts. To apply for a shipping account number, click here. If you need further assistance, call Customer Service at 800-962-2660 or email


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