150mL (5 bottles)

Never store in distilled (DI) or reverse osmosis (RO) water — this will damage probe sensitivity

🌾 Agriculture: Assess soil conductivity before and after fertilizer application

Perfect for field use – Portable and spill-resistant for on-site testing

Santevia MINA Alkaline Water Pitcher – White | 2-Stage Filtration & Mineralization

Hanna HI97115 Marine Master Photometer - 9 Parameter Bluetooth Water Tester HI70004G 150mL (5 bottles)Ideal for testing saltwater aquariums, reef tanks, and other marine and aquaculture applications. The HI97115 is a compact and versatile Marine multiparameter photometer designed to accurately determine pH, Alkalinity, Ammonia, Calcium, Magnesium, Nitrate, Nitrite, and Phosphate levels in aquariums and marine biology applications. The photometer is suitable for field and bench measurements. The HI97115 can be used as a stand alone photometer or can be