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This is a detailed and correct method for testing phosphate levels in the water
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Phosphate (plant food) ° Take the cap off long square test tube and fill to Sm! mark with water. ° Take one tablet from the yellow lid container labelled PHOS. | ¢ Remove the tablet from wrapping. | ¢ Put empty tablet wrapper in the yellow lid container labelled WASTE. | ¢ Put tablet in tube with water. , ¢ Place lid on tube. ¢ Shake tube until the tablet is dissolved. | ¢ Wait 5 minutes. ¢ After 5 minutes, compare the colour of the water to the chart attached to the lid of the water testing kit. | ° Record result in ppm. ° Pour water in tube onto the grass. e Place lid on tube and return in to water testing kit. Scanned with CamScanner