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Hi, I am new to the TFPC method and aimed to raise my FC from 1.61 to 7 by adding liquid chlorine/bleach. I had a CC 0f 0.74 before adding the bleach and when I tested it 2 hours later I had a CC of 0 and a FC of 2.24. My water temperature is kept at 42℃ and my test results before adding...

Hi, I've got a 1000litre vinyl hottub which I've had for 4 years. I currently use a number of pool chemicals and test strips (although I am looking to change this). As well as the standard chemicals, I currently use: Scale control (to reduce hard water) Clarifier MPS spa shock Is my...