Description
macro and micro elements and carbohydrates
pre wired environmental sensors
All materials are safe for dry food and herb storage (but not long term home canning—please do not use these for canning)
With a slim form factor available in three lengths and six spectral options
ReadyGro Super Plugs are biodegradable and 100% organic
Hanna pHep pH Meter grow-light-bulbs macro and micro elements andWaterproof 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