“Great testing kit with easy to use instructions and fast results. Well worth the money. Package was received quickly and in excellent condition and Thetechden staff are quick to answer any questions you need to ask.”
“Great testing kit with easy to use instructions and fast results. Well worth the money. Package was received quickly and in excellent condition and Thetechden staff are quick to answer any questions you need to ask.”
“Expecting this to be like previous tests but it involves dropping in test fluid into the test tube till it turns color. The chart to measure GB and KH doesn't make sense.”
