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pH and EC/TDS readings must be temperature compensated in order to obtain accurate results
Ideal for use with the following Bluelab Meters: Bluelab Combo Meter
The HP Mini Bucker comes with three hole sizes
Green Cleaner kills spider mites and their eggs
Blossom Builder contains a unique ratio 18:23 ratio of phosphorus and potassium
Gro Pro Grow Bags - 20 Gallon (Case of 100) HGCOV4 pH and EC/TDS readings mustPre packaged in quantities of 25 grow bags for easy handling. Durable and excellent quality bags. Holes in the bottom allow proper drainage. Use your favorite media and plant right in the bag. Case of 100
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