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50-60 Hz PPF Output ~2056-2089 umol/s Photon Efficacy 2
The superior drainage ensures efficient nutrient uptake and prevents waterlogging
Encourages growth and hardiness in your plants
At 2" x 2" the pack lies flat under an eighth or quarter jar lid without eating volume
purified water and a food-grade thickener
Hanna 1500PPM Calibration Solution Grodan 50-60 Hz PPF Output ~2056-2089TDS solution are produced with high quality potassium chloride in various concentrations. They are standardized using a conductivity meter calibrated with NIST potassium chloride. The 1413 ? S cm solution is the one best suited for general use. This solution is also available in combination kits with the pH 7 buffer for the easy calibration of multiparameter instruments.
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