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(4) Nitrogen - 2 oz
Roots Organics Nitro Bat Guano is an excellent source of nitrogen
Harness the powerful technology of nature for lawn and garden disease management
15AMPS/115VOLTS/60Hz
Combine multiple RAY44 units in a side-by-side array to achieve uniform coverage over a 4-foot growing area
Hanna GroChek pH/EC/TDS/C/PPT Pocket Tester eligible-for-discount (4) Nitrogen - 2 ozHere is a waterproof tester that offers high accuracy pH, EC TDS, and temperature measurements in a single tester! No more switching between meters for your routine measurements. This floating, waterproof combination tester has an easy to read LCD and an automatic shut off. pH and EC TDS readings are automatically temperature compensated. This tester features a replaceable pH electrode cartridge with an extendable cloth junction as well as an EC TDS
US$ 29.99
US$ 29.99
US$ 44.99
