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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
These Mini-Blocks are individually wrapped in white plastic to minimize algae growth
Bags are labeled and color coded to corresponding micron rating
Safely and easily make your plants resistant to pests
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Rapitest Digital Soil pH Meter Fan Speed Controller These Mini-Blocks are individually wrappedRapitest Digital Soil pH Meter indicates soil pH levels from 3. 5 to 9. 0 in a digital readout. The meters probe measures 5. 625 inches long. Printed instructions and plant pH preference information for over 450 plants is packed with the meter. Indicates soil pH levels from 3. 5 to 9. 0 in a digital readout Probe measures 5. 625 inches long Printed instructions and plant pH preference information for over 450 plants is packed with the meter