Adjusting chemistry with 100% water replacement

[cpoplsc]

Checked the chemistry tonight.

pH 7.0
Chlorine -- 0
TA 90
Ca 260

The water is clear. Some scum/algae at water line (at corner that cover has cut straps). The chlorinator is after the DE filter. I missed the pool store but I have a fair amount of shock (calcium hypochlorite), some pucks (tri-chlor), soda ash and baking soda. The water level is below the skimmers so I can't start the pump until water is added (pump is very touchy w/ air). It will take 4-5 hours to add enough water. I'll see how long I can hold off on pulling the cover tomorrow while we are working on the filter. It is supposed to be cloudy and rainy. The pump is disconnected from the filter.

I'll prepare to shock as soon as we get the pump running.

[Watermom]

cpopisc -- Just wanted to welcome you to the forum and also to thank you for becoming a subscriber. We appreciate the financial support in keeping the website alive.

Question for Ben --- even if his bleach has lost its potency, couldn't he just go ahead and add it to the pool rather than flush it? My thinking is that it would add maybe a little chlorine and it wouldn't hurt anything and it would get rid of it. Correct me if I am wrong.

[CarlD]

It should be brine, which shouldn't hurt. It can still be tested for potency. Somewhere around here I have have the "recipe". I think it's 10 ml added to 10 liters of un-chlorinated water (5 soda bottles) gives you the same dilution as adding 1 gallon of the stuff to 10,000 gallons of water. Then you can measure the FC level in the 10 liters and it will give you the concentration...3ppm means 3%.

Carl