• Sea Cal
• Eliminate the need for caustic chemicals like peroxide or bleaches to clean reservoirs
Magnesium is an essential mineral used in the process of producing chlorophyll
Asia and the Middle East for many years
When using depleted soil
Waterproof pH/Temperature Meter new_additions • Sea CalHM Digital PH 200 Water pH Testing Meter. Waterproof. Measure 0 14 pH. Temperature Tester, IP 67 rating, Factory Calibrated, ideal for all pH testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs and scientific testing, pools and spas, ecology testing, boilers and cooling towers, water treatment, wine, coffee, agriculture and more.