Zerowater TDS Meter 4-in-1 water meter "Using this as a pH

"Using this as a pH controller for a calcium reactor on a 105 gallon reef tank

it delivers up to 3

304 Stainless Steel — High-polish finish

Large LCD display

Resolution: 1 CF

Zerowater TDS Meter 4-in-1 water meter "Using this as a pHThe ZeroWater TDS Meter The Zero Water TDS Meter with temperature reading allows you to measure TDS level for the water. It measures for totally dissolved solids in water that can give it a taste. The higher the reading on the water the more substances dissolved in your water. It shows the total number of detectable dissolved solids and allows you to compare various water sources. The meter also helps in knowing when to replace water filters, a