How long does calhypo take to dissolve?


LifeTime Supporter
Aug 7, 2010
Lake Jackson, TX
My pool has chosen this year to torture me. I added ~3lbs of calhypo a week ago. This gave a higher chlorine level for a day and I hope a boost in my CH level since it's been low. I went to vacuum some leaves off the bottom with my water hose vacuum (don't know the name) and I get huge clouds and white milky water. How long does it take to dissolve?

It's time to resurface. I'm south of Houston, any recommendations for a resurfacer are appreciated.

FC .5 low but I generally put my chlorine in at dusk and I forgot last night.
CC 0
pH 8.0 I had added 1/2 gallon of muriatic last weekend so this surprised me. Added the other
half today
TA 150
CH 150 maybe a bit higher but it was hard to tell

borates 15
salt 1400


TFP Expert
Platinum Supporter
LifeTime Supporter
Moderator Emeritus
Aug 10, 2012
FL panhandle
I dontknow, I have never used it, but it is important not to let it sit on the nottom. Either dissolve itinerary a bucket first or brush it until it dissolves.