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Multi-range pH/EC/TDS and Temperature meter
SNS-311 is made with Ascorbic Acid (Vitamin C)
and rooted clones thrive in Royal Gold Coco
Choose from either Conductivity
Hydrologic Big Boy Carbon Filter lighting-accessories Multi-range pH/EC/TDS and Temperature meterKeep your water fresh, your equipment in tip top shape, and your grow room at its best by making the commitment to exchange your filters. This carbon filter works with the Big Boy water filtration system and slips in easily to replace the one that came with your unit or additional replacements along the way.
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