Last three openings show normal cloudiness for few days and then dark dirty looking blobs of algae on floor which after being vacuumed goes away and return following day. Used liquid shock, CU7, flock and disappears after vacuuming and back as soon as a few hours.Chemistry perfect in our salt water pool.
Is it algae or is it dirt from trees?
- Thread starter Barbara Allen
- Start date
The test for algae is Overnight Chlorine Loss Test
You need a FAS-DPD chlorine test to do it. The colormatching block type isn't precise enough.
You need a FAS-DPD chlorine test to do it. The colormatching block type isn't precise enough.
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