Need help! Please!!!

[bgray]

My wife just called. She tested and TC was less than 1 ppm.
Is that normal when fighting an algae bloom? 20 ppm did not last even 6.5 hours? I told her to add another 9 gallons.

If that's normal, can somebody please calm my fears?
My CYA was at 90, so I cannot believe the sun used up all that Cl (even in HOT Texas...) But, I guess I can imagine it getting used up killing all those little algae critters... right?

[CarlD]

Right. Expect it until the algae is ALL dead.

[bgray]

Thanks for the reassurance. I am so freaking out.

[aylad]

Yup, it's normal--and it's the algae, not the sun that's consuming it. THat's why it takes additions multiple times a day to keep the Cl level high enough to do any good.

Janet