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If you add 2 scoops of powder and it does not turn pink, then you have no chlorine.
Yes to adding more bleach and keep an eye on the pH. You are ok at 7.2 but don't want it lower.
Can you dilute a water sample (1 part pool water, 1 part distilled water) and then run the CYA test with that mixture and multiply the result by 2. Then, post with that result.
@ 9 AM:
FC: 12 ppm
CC: 1.0 ppm
pH: 7.2
@ 7 PM (and a trip to the store for some distilled water)
FC: 7.5 ppm
CC: 0.5 ppm
pH: 7.2
CYA: 110 ppm
I can see the bottom, though the pool is still just a bit cloudy.
Gonna go dump in a box of borax and 4 1.4 gal jugs of bleach.
Pool History Entry Form for wildweasel
Pool History Results for wildweasel
I like those forms, especially as often as I'm now checking the pool.Quote:
Originally Posted by PoolDoc
It looks great - not quite crystal, but I can see the bottom easily.
When I do the CC portion of the chlorine test, and add the 5 drops, it's clear (no change at first) and after it sits for 20-30 sec it gets a real slight pink tint, that one drop of the other solution clears right up. Does this mean I've gotten rid of the the CC, or that there's somewhere between 0-0.5 left?
Thanks,
Matt
Don't worry about low CC residuals. The DPD test is not perfect. I'm not sure what some of those residuals are, but I've seen them on pools I was running, when there was NO problem with the water -- crystal clear, no irritation, etc. Remember the goal is not perfect numbers, but a great pool -- and they are NOT the same thing.
Pool looks good, not perfect, but close.
So I can back off from shock to maintenance chlorine levels?
Give it a try.