cold plunge

I'm thinking about turning my spa into a cold plunge. Spa about 750 gallons. Looking at the TC-1000 by aquacal. I'm thinking I would just put it in spa mode without the heater and it should work fine. My question is how quick would it be able to lower say from 95 to 50? My concern is if it...

Hello everyone, I’m a newbie when it comes to dosing! I’ve had my cold plunge for about 4 months now and recently switched to using chemicals. I started with a spa kit from Leslie’s Supply (LPS near me). Initially, I used ozone, peroxide, and UV for sanitizing. I used ozone because I already...