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I tested using the hth 6-way test: cl .5 pH 7.5 TH 530 ppm TA 400 ppm ...I stopped at 40 drops of the alkalinity titrant when I saw a red swirl but the water never turned completely red cya ? ...per the test "fill tube until you can no longer see the black dot" ...I filled it all the way and...

Hi, I'm a newbie. I have been reading all of the info on here so I have already learned alot. I only have a 3-way test strip right now; FC, pH, TA ...I'm going to go buy a new one here shortly. But right now my levels are reading 0 FC, 7.5 pH, and 180-240 TA. What should I add this morning so...