Apera GroStar GS2-E Replacement Soil Spear pH Electrode BL and a nutrient charge to

and a nutrient charge to support vigorous root systems in heavy-feeding

This safe and effective solution for CO2 supplementation creates a blast of CO2 that can reach 1200 PPM in a 12’x12’x12’ area for up to 2 weeks

these Japanese stainless steel blades are sap resistant

• Titanium alloy sensor designed for high accuracy EC measurement

Apera GroStar GS2-E Replacement Soil Spear pH Electrode BL and a nutrient charge toAI58020 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