You probably don't have enough CYA and your chlorine is just being lost to the sun. You'll probably have to add bleach a couple of times a day until you get some stabilizer in there. It is ok to use bleach but just make sure you pour it into the pool away from your trichlor. You don't want them to have direct contact with each other but once in the water, it is no problem. It will take a while for trichlor to build up your CYA level. For every 10ppm of free chlorine that trichlor adds, it will add 6ppm of CYA. If you use your chlorinator, you'll need to monitor your CYA level after awhile so that your CYA level doesn't get too high.
Once you get your kit, post a full set of numbers.
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