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A quick calibration solution for use with Hanna’s GroLine pH and/or EC/TDS meters
especially in high-traffic areas that need extra attention
Using this process requires an investment of ~$40
PC Connectivity - Logged data can be transferred to a Window’s compatible PC with the included HI920015 micro USB cable and HI9298194 software
PURE pH Down - 38% Nitric Acid 205L drum REZOLVE A quick calibration solution forPURE pH Down 38% nitric acid PURE pH Down lowers the total pH value of the made nutrient solution. This product lowers nutrient pH. Recommended pH for most plants is 5. 5 to 6. 5. Highly concentrated 38% UN approved packaging Fully compliant with all safety regulations **Ships as dangerous goods. Additional shipping cost applies. **Price Includes $75 Drum Deposit Cost
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