You must wait 10-15 minutes before entering the tub after application, and of course, PH testing is always a good idea.

While the pH in a hot tub will rarely, if ever, get to dangerous levels, itchiness and irritation take away from the enjoyment of the hot tub. Low pH may also harm your bathing suits as the acid wears away the fabric. Chlorine is crucial to keeping the water in a hot tub safe.

Allow the filtration system to circulate the chemical; it should dissolve completely within about 15 minutes as long as your filtration system is working well.

How Many Chlorine Tablets? For smaller hot tubs we recommend 1-3 tablets and for larger hot tubs 3-5 tablets.

There you have it -everything you need to know about using chlorine tablets. To recap, you typically only need around 2-4 per week, and using them is as simple as adding them to your skimmer.

Typically, a 3-inch pool chlorine tablet is designed to chlorinate from 7,500 to 10,000 gallons of water per week, meaning it’ll take seven days to dissolve.

For every 5,000 gallon of water in your pool, you will need to use 1 chlorine tablet. It is also important to always round up to the nearest 5,000 gallons….How Many Chlorine Tablets Per Week Should I Add To My Swimming Pool?

So to get the most chlorine in your feeder at one time use the three inch tablets. 1″ tablets are used to chlorinate spas or very small pools, for which a 3 inch chlorine tablet may be too large. 1-inch tablets also are great for very large pools, because of the faster dissolution rate.

To use the right number of tablets, always round your pool volume up to the nearest unit of 5,000 gallons. For instance, your pool has a capacity of 20,000 gallons, you would add four chlorine tablets. But if your pool holds just 16,000 gallons, you’d still use four, three-inch chlorine tablets.