Digital Vacuum Chamber Gauge Upgrade *Wireless vermiculture Hand-selected for their superior quality

Hand-selected for their superior quality

The HI98115 is a GroLine pH tester with advanced features for the measurement of pH in hydroponic nutrient solutions

Up to 15x stronger than regular Greenhouse Plastic

But how does our Large unit compare to our Medium

Dose as needed to raise fertilizer solution to target pH

Digital Vacuum Chamber Gauge Upgrade *Wireless vermiculture Hand-selected for their superior qualityDigital Vacuum Chamber Gauge Upgrade *Wireless After many requests, we have combined our infamous vacuum tight bulkhead with the power of a wireless vacuum gauge that can be a simple upgrade to ANY of our vacuum chamber products or resin traps. For those seeking truly accurate readings at any altitude and wireless monitoring this is the ultimate gauge for any vacuum system!. *To install: All that is required is a 1 2" wrench to remove the original and