I'm here because I have let cyanuric acid levels get too high but in Columbia, SC I haven't found a good source of liquid chlorine so I have switched to calcium hypochlorite until backwashing restores decent CYA levels.
I'd like to fill cups with about a pound of granular chlorine and store them a few weeks until used as a convenience rather than opening the drum each day (which depletes the chlorine too).
I envisioned plastic cups with tight lids but my wife bought Chinet coffee cups with lids at the grocery store.
That wouldn't be a good idea would it? I'm sure the paper has some coating to keep coffee from penetrating the paper but wondered if anyone has done this.
On the other issue:
I don't understand why no one sells liquid chlorine here. Not even Home Depot and they sell it in California.
The problem with calcium hypochlorite is that I am raising hardness and also have to add acid daily to combat the PH increase.
Looks like I will eventually have to bite the bullet and drain a major portion of the water regardless of whether it's for cyanuric acid or hardness.