Waterproof ECTestr 11 Plus veg-and-bloom Expanded 4-digit dual-line display shows

Expanded 4-digit dual-line display shows conductivity and temperature readings simultaneously

All natural ingredients make pests less likely to build up a resistance

Designed for use with Hydrofarm and PARsource high frequency DE fixtures and ballasts

Zero risk of burning

PhysioSpec Indoor™

Waterproof ECTestr 11 Plus veg-and-bloom Expanded 4-digit dual-line display showsUse this tester for either cup style or dip style measurements. For cup style, pour a small amount of your sample directly into the sensor cup until it overflows; for dip style, simply immerse tester tip into sample. Replaceable sensor lets you reuse meter body many times over. Valox housing and stainless steel electrodes for good chemical compatibility. Automatically or manually select measuring range Waterproof, dustproof housings Push button