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Simply fill a test-tube halfway with nutrient
Recirculating Deep Water Culture
Fishbone Meal
resulting in increased photosynthesis
15 minute on/off
Active Air 3-Way Meter QuickBooks Simply fill a test-tube halfwayActive Air 3 Way Meter Product Details Gardeners can conveniently test their moisture, light, and pH levels with the handy Active Air 3 Way Meter. Moisture readings register on a scale of 0 (dry) to 10 (moist); light readings range from 0 LUX (low light) to 2000 LUX (very strong light); accurate pH readings range between pH 3. 5 and 8. The durable, easy to read tester is suitable for indoors or out and needs no batteries to operate. Remove from soil
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