Apera GroStar GS2-E Replacement Soil Spear pH Electrode BL plus an extra silver coating

plus an extra silver coating for working under double-ended bulbs

Dosatron Water Powered 14 GPM Dosers – D14 Lo-Flo Series

wall mountable metal bracket

100% speed-controllable

Apera GroStar GS2-E Replacement Soil Spear pH Electrode BL plus an extra silver coatingAI58020 GroStar GS2 E replacement Soil Spear pH electrode Spear pH Probe measures pH and temperature in nutrient solution, soil, coco coir, rockwool, and many other media types Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance Impact resistant spear glass tip, 10 times stronger than conventional glass bulb PTFE ring prevents a clogged junction caused by soil particles, significantly increases