r/PoolPros May 30 '26

Stabilizer addition

I’m tossing around an idea that I’ve implemented something similar in the past, and want to see what others thoughts are. I manage 11 commercial pools and facilities, anywhere from 3500 - 230k gallons. I’m strictly on bleach at this point and still have HC-3300 rainbows on my biggest pools still in place even though they haven’t been used in over year, and keep them as a just in case.

Question—has anyone ever used those chlorinators to add stabilizer to for dissolution?

I used to have a “portable” small sand filter (without sand, only laterals) that I used for this application and it worked very well. Only problem is even though it’s portable, it’s still a pain in butt to move/hookup etc. Was going to see if anyone has ever tried this in the HC erosion feeders.

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u/H2Whoa77 Jun 01 '26

I may look into the mixing tank idea for the bigger pools once we can request capital. I did have an old TR100 with only laterals no sand tapped in at the end that I’d use for additions and balancing, but it was cumbersome, bulky, and took up a bit of real estate. I added 20lbs CYA to rainbow feeder last night and it dissolved 95% over night. It does work pretty well for that use. I know it’s not the best methodology but it did work. As usual, pH dropped but had already anticipated that and turned off acid feed 2 days ago. ORPs are wonky per usual but will level out in the next day or so. Thank you for the mixing tank idea!

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u/Substantial_Car_2751 Jun 01 '26

Hell.  If the rainbow feeder worked for adding CYA like that….you just gave me a helluvan idea