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The porous structure of LECA stones allows them to absorb moisture and slowly release it back to plant roots while maintaining air pockets that promote strong root development and prevent waterlogging
7-3/4" x 7-1/4" x 5-1/4" (LWH)
This 3/4" inline filter is desined to remove sediment from your water and/or nutrient solution
The Bluelab pH test for hydroponics has a double junction reference which provides a longer life than many other pH probes and is a gel filled non-refillable probe
ideal for intensive greenhouse setups
Knowing & Recognizing Pests and Natural Enemies Lighting The porous structure of LECABy: M. Malais and W. J. Ravensberg Book covers life cycles of pests and beneficials, background information on how to make a beneficial program work. A "must" for the grower who uses beneficials for pest control. Many diagrams and colored pictures.
US$ 269.50
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