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The Bluelab pH Probe has a double junction reference which provides a longer life than many other pH probes and is a gel filled non-refillable probe
probably the best
500ml TopMax
152mm Alu Ducting (3 Meters)
G.A.S Minute-Second Timer Lighting/CMH/LEC Lamps The Bluelab pH Probe hasG. A. S Minute Second Timer The G. A. S Minute Second Timer gives an additional level of control, capable of smaller, more frequent feeds. When used with a pump, it can help to maximise growth by automating the delivery of feeds, accurate to the second. This helps the plants to uptake nutrient solution, enhances oxygen absorption and improved yields. Ideal for use with all timed grow systems Range from 5 seconds to 10 minutes Suitable for use with
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