Hanna Instruments Hanna HI718 Iodine Checker Hanna Iodine Checker HI718 ***FRESHWATER ONLY*** Hanna Iodine Checker HI718 is extremely simple to use. First, zero the instrument with your water sample. Next, add the reagent. Last, place... MSRP: Was: Now: $74.99 Add to Cart
Hanna Instruments Hanna HI713 Phosphate Checker Hanna Phosphate Checker HI713 The HANNA HI 713 CheckerHC bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate and only give... MSRP: Was: Now: $74.99 Add to Cart
