HI736 Ultra Low Range Phosphate Checker PPB

The Ultimate in testing for Phosphorus and easily converted to Phosphate PPM.  Hanna's ultra-low range phosphorus colorimeter brings you more precise technology from your typical chemical test kit. Remove the human error from your testing No need to count drop or titrate your sample Detects color changes your eye cannot No calibration required Get east, quick and consistent results Accurate and affordable Cost efficient: Once you purchase the Checker, reagents are sold separately saving money long term     Features at-a-glance:   Most popular phosphate meter for reef aquariums. To convert phosphorus ppb to phosphate ppm multiply the reading by 3.066 then divide by 1,000 Saltwater only, best for SPS dominant aquariums and low nutrient systems Reads as low as 1ppb phosphorus or 0.003 ppm phosphate (reads in parts per billion phosphorus) Reads as high as 200ppb phosphorus or 0.613ppm phosphate Comes with 6 tests (reagent refills are Hanna HI736-25)  Extra reagent can be found