CYA not measuring as expected

[Mm_putnam]

Yes - I do use a timer on the pump. It runs 4 hours in the morning and 4 hours in the evening. I used a nylon sock (like panty hose) in the skimmer to get the CYA into the pool but no doubt the granules which were pea-gravel size at first were not totally dissolved when they got through the nylon sock. If we assume that these CYA grains are indeed in the filter now, they'll eventually dissolve - right? And is the better way to add CYA to do so with the pump running continuously? The grains would still eventually pass through the nylon sock and into the filter but would lodge in the DE with running water on them until dissolved, right?

Thanks for the help.

[Watermom]

It is always best to run the pump continuously for 4 or 5 days after adding CYA.

[PoolDoc]

Or, just use dichlor to chlorinate for a week or so.

If you need 5 pounds of stabilizer . . . using 10 pounds of dichlor will do the same thing, PLUS it's soluble AND chlorinates your pool. (Just don't keep using it for a long time after you've added your stabilizer, since you'll end up with very high levels of CYA that way!)