The AQUASPIN is an advanced photometer designed for rapid and accurate testing of various water parameters in both freshwater and saltwater aquariums. It provides results in just two minutes, simplifying the monitoring process for aquarium enthusiasts.Key Features:Comprehensive Testing: The AQUASPIN tests eight essential saltwater parameters simultaneously:pHAmmoniaNitriteNitratePhosphateCalciumMagnesiumAlkalinity (KH)