Pens
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Sure Test Base pH Pen +-- 0.3
Sure TestOriginal price $0.00 - Original price $0.00Original price $0.00$33.99$33.99 - $33.99Current price $33.99Original price $0.00 - Original price $0.00Original price $0.00$33.99$33.99 - $33.99Current price $33.99Out of Stock -
Sure Test Commercial pH - EC - TDS - ORP Lab Meter
Sure TestOriginal price $0.00 - Original price $0.00Original price $0.00$356.99$356.99 - $356.99Current price $356.99Original price $0.00 - Original price $0.00Original price $0.00$356.99$356.99 - $356.99Current price $356.99Out of Stock -
Sure Test Pro EC - TDS Pen
Sure TestOriginal price $0.00 - Original price $0.00Original price $0.00$24.99$24.99 - $24.99Current price $24.99Original price $0.00 - Original price $0.00Original price $0.00$24.99$24.99 - $24.99Current price $24.99Out of Stock -
Sure Test Pro pH Pen w- Replaceable Probe +-- 0.05 ATC
Sure TestOriginal price $0.00 - Original price $0.00Original price $0.00$78.99$78.99 - $78.99Current price $78.99Original price $0.00 - Original price $0.00Original price $0.00$78.99$78.99 - $78.99Current price $78.99Out of Stock -
Sure Test Base Plus pH Pen +-- 0.05 ATC
Sure TestOriginal price $0.00 - Original price $0.00Original price $0.00$28.99$28.99 - $28.99Current price $28.99Original price $0.00 - Original price $0.00Original price $0.00$28.99$28.99 - $28.99Current price $28.99Out of Stock -
Sure Test Commercial Multi-Meter w- pH Conductivity Probes (DO Probe Sold Separately)
Sure TestOriginal price $106.99 - Original price $106.99Original price$106.99$106.99 - $106.99Current price $106.99Original price $106.99 - Original price $106.99Original price$106.99$106.99 - $106.99Current price $106.99Out of Stock
Pens and Green Houses Benefits
Pen like pH or TDS testers are easy to use and calibrate. They are sensitive to small changes and can be carried in pocket easily to any place. EC hydroponics is good way to ensure good growth in plants, you can also compare using EC vs PPM to check what works better for your hydroponic garden. Pick from our selection of high quality, water proof pens from brands such as HM Digital and Oakton. Zenhydro offers discount pens online, waterproof hydroponic pens, EC pen, advanced nutrients PPM scale, hydroponic EC and many more. Check out today.