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Chlorine tabs are for use in a chlorinator - there's some that just float in the pool and some that are connected to the water line and so are "automatic". They are a slow delivery system to help maintain the chlorine level in the water between 'shocking' the pool.
By shocking, it means to put a small amount of chlorine into the pool water, just to kill harmful bacteria. In most cases, it's safe to swim about an hour after shocking. Super-chlorination, however, requires at least 12 hours to allow chlorine levels to drop. Otherwise, it would be exactly like swimming in a pool of Clorox, and your skin WILL burn. That's why some pools are open 6 days a week and close the 7th day.
You need to shock the pool. The difference between Total Chlorine and Free Chlorine is tied up and it will be cleared by shocking. Thatis the purpose of shocking.
Pretty much --Yes.
Yes, but you should shock it so the water stays clear (do not go in after shocking until the chlorine is at a safe level 1-3ppm)
Get a new testing kit And take a sample of the pool water to the pool shop where they will be able to advise you on your particular needs. And use 12.5% strength liquid chlorine to get the fast high rise that you need.
Hyper chlorination is the raising of pool chlorine levels to 10 - 20 times the normal level, much higher then shocking of a pool which is 5 - 10 times normal.
Shocking a pool is increasing a the chlorine levels to the maximum, successfully.
If you have a salt water hot tub or pool, you shouldn't need to add any extra chlorine. I am the pool operator at our local YMCA and we have a salt system with a Chloromatic chlorine generating cell. Rarely do we add any extra chlorine, only in cases of decontamination and/or shocking. Bromine does do better than chlorine in higher temps.
Hyper chlorination is the raising of pool chlorine levels to 10 - 20 times the normal level, much higher then shocking of a pool which is 5 - 10 times normal.
The amount of chlorine normally used to shock a pool should kill and larvae and other living things in the pool.
Very little, however it is likely to have an effect on the amount of free chlorine available in the pools water. So avoid the risk of spreading an illness through the water by cleaning it out of the pool and immediately shocking the pool.