Hanna Instruments Checker Total Chlorine Colorimeter medication Dry-running protection

Dry-running protection

Thrives with regular fertilization

Efficient cooling power

An EHEIM development with uncomplicated technology that is equally suitable for ambitious aquatics novices and professional fish breeders

Hanna Instruments Checker Total Chlorine Colorimeter medication Dry-running protectionThe HI 761 Checker is a simple, accurate, and cost effective way to measure ultra low ranges of total chlorine. Designed as a more accurate alternative to chemical test kits, the HI 761 provides quick, accurate results in four easy steps. The HI 761 uses an adaptation of the USEPA method 330. 5. The reaction between the chlorine and DPD reagent causes a pink tint in the sample. Features: Small palm sized design Accurate from 5ppb 5% of reading