KH Director Reference Solution - GHL
CAD $31.49
Alkalinity reference solution for KH monitors and test kits. 1000ml
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ION Director MULTI Reference Solution - GHL
CAD $43.99 -
KH Director pH-electrode - GHL
CAD $124.99
Reviews
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Kh direct
Love it, had to have it. Macks calibration verification so easy. Use YouTube videos on ghl page to help with setup. Next up ion director and the controller.