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15 grams of carbohydrates
this bicarbonate indicator solution offers ample quantity for laboratory use
and the other side contains the solution
4 sheets plain postcards
Digital Pocket PH Meter (0.01PH / 0.00~14.00PH) 15 grams of carbohydratesEnsure Your Pool, General Hydroponics Ph or Even Drinking Water Has a Perfect Ph Balance and Safe for Use with Tester Precision Ph Accuracy. Tester Has a Sensitive Electrode Sensor to Read Accurate Ph Levels. The Included Detailed Manual Will Show You How to Get the Best Accurate and Stable Reading. The PH Meter Has an Auto Temperature Compensation Feature That Adjusts to Water Temperatures and Water Quality to Give Ph Readings Almost Instantly. As
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