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Accessible nitrogen is the key to a plant having a strong and vibrant internal structure
ONA Gel is an odor neutralizer in a gel form and is dispensed by natural evaporation
Box Dimensions: 5 x 10 x 31
The light film unspools easily from a sturdy roll with no sticking or waste
Hanna GroChek pH & TDS Combo Continuous Reading Meter spl_fluence Accessible nitrogen is the keyThis continuous reading meter is ideal for agricultural, horticultural, and hydroponics applications where pH and TDS levels need to be continuously monitored for optimal plant growth. This instrument continuously monitors and displays the values of a solution on an easy to read set of LCDs. The gel filled pH electrode is replaceable and the BNC connector is protected behind a waterproof sleeve. The unique design of the electrode guarantees greater
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