In most cases, you're best off with 3-inch chlorine tablets, as one single tablet can treat up to 5,000 gallons of water. On the other hand, 1-inch tablets contain far less chlorine (about half as much as 3-inch tablets), so they're better suited for smaller indoor pools and spas.
Are all chlorine tablets the same size?
You want to make sure you get a chlorine tablet that's the right size for your pool. Check the package for dosage recommendations. Many 3-inch tablets treat 10,000 gallons for up to an entire week, while 1-inch tablets will treat less. ... Chlorine tablets are designed for use in pool feeders, floaters and skimmers.
There are two main sizes of chlorine tablet on the market. A 200g large chlorine tablet (3 inch diamater) and a 20g small chlorine tablet (1 inch diameter). The large 200g tablets are mainly designed for swimming pools whilst the 20g tablets are for hot tubs and small splasher pools.Feb 9, 2020
Should I use 1-inch or 3 inch chlorine tablets?
In most cases, you're best off with 3-inch chlorine tablets, as one single tablet can treat up to 5,000 gallons of water. On the other hand, 1-inch tablets contain far less chlorine (about half as much as 3-inch tablets), so they're better suited for smaller indoor pools and spas.