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Ships within 48 hours · Estimated delivery Sep 8 - Sep 13
ReadyGro Super Plugs are biodegradable and 100% organic
pre wired environmental sensors
With a slim form factor available in three lengths and six spectral options
1000W output
All materials are safe for dry food and herb storage (but not long term home canning—please do not use these for canning)
Hanna pHep pH Meter grow-light-bulbs ReadyGro Super Plugs are biodegradableWaterproof pHep pH Tester The Hanna Instruments HI98107 pHep pH tester is a rugged and reliable pocket sized tester for use in the lab or field. This modern looking meter is only 0. 7" thick and extremely ergonomic, fitting comfortably in your hand. This tester keeps things simple with a two button operation; one for ON OFF, the other for Calibration. The HI98107 tester features a large multi level LCD which displays both pH and temperature readings