HM Digital TDS-4TMA Aquarium TDS Meter with Digital Thermometer water testing Remove the new Alexapure filter

Remove the new Alexapure filter element from its packaging

HM Digital’s pH buffer solution comes in powder form

this spigot fits all Stainless Steel Berkey Units

They are 100% Made in the USA

HM Digital TDS-4TMA Aquarium TDS Meter with Digital Thermometer water testing Remove the new Alexapure filterThe TDS 4TMA handheld meter is ideal for testing TDS and salt levels of freshwater aquariums and ponds. It can also be used for testing water filtration and purification systems, such as RO and DI, to know when to changes filters and membranes. FEATURES Measures TDS and salt levels of freshwater up to 9990 ppm. Includes an internal digital thermometer (celsius only). Hold Function Locks the reading on the screen outside of the water. Auto off function