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HM Digital Electrode Sonde pH for PH-200
PH-200 Replacement Probe.
- Replacement pH/Temp Sensor for PH-200.
- Measures pH and Temperature.
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Sending a bag is €12.95 at (Belgium) per bag, register on the site to see the shipping costs. Plagron Grow-Mix, growing without problems on pre-fertilised soil.
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The pH-value of the nutrient solutions For cultivation with hydro and coco it is necessary that the feeding water is set to a certain pH-value.
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Mills Nutrients pH+ has been specially developed to reaise the pH value of the feed water to the optimum pH value.
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The Growth Technology pH buffer solutions are each of a known and fixed pH - 4 and 7 respectively.
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Conductivity Standard 1.413 is a solution of a known electrical conductivity (EC) used to check and calibrate EC meters.