Calibration Solution Stock concentrate 10X VOLUME:1 litre of sNPK solution 3 hydroponics

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Calibration Solution Stock concentrate 10X VOLUME:1 litre of sNPK solution 3 hydroponicsThis is a concentrated 10x version of the standard solution 3 of the 3 point calibration solution, or 2 point calibration solution (for the CG200 or single meter options). Save money on shipping, make up your own calibration standards. This requires careful dilution steps to make working solutions. We advise using a weigh scales rather than volumetric flasks, 1g of water = 1ml. so a 10 x dilution would require weighing 100mls (100g) of stock and

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