I would say that he went to the pool store so many times that he got used to what they were telling him to do that he just does it on his own now. Somebody had to tell him what to use. I am curious to see his test results. Ask him for a water sample and test it.
Lets compare the two only with chlorine:
His pool, his way
HTH Super Shock N Swim. $27.97 for 5 - 1lb bags, so thats a box every two weeks.
You guess 10 trichlor tablets every two weeks. Trichlor tablets looks like they average $2.25 a piece. Thats $22.50 every two weeks.
That totals up to $57.47 every two weeks on chlorine.
His pool the TFP way
If he had the ideal water chemistry and used 3ppm of chlorine from 8.25% bleach per day, he would use 1260oz of bleach every 2 weeks which is 10.4 121oz jugs. 11 jugs at $3 apiece thats $33 dollars for chlorine every two weeks.
Which one sounds cheaper now. If he just used 2 trichlor tabs, it would be an equal amount assuming my math is correct. Does he drain the whole pool when he winterizes or have to drain alot?
Lets compare the two only with chlorine:
His pool, his way
HTH Super Shock N Swim. $27.97 for 5 - 1lb bags, so thats a box every two weeks.
You guess 10 trichlor tablets every two weeks. Trichlor tablets looks like they average $2.25 a piece. Thats $22.50 every two weeks.
That totals up to $57.47 every two weeks on chlorine.
His pool the TFP way
If he had the ideal water chemistry and used 3ppm of chlorine from 8.25% bleach per day, he would use 1260oz of bleach every 2 weeks which is 10.4 121oz jugs. 11 jugs at $3 apiece thats $33 dollars for chlorine every two weeks.
Which one sounds cheaper now. If he just used 2 trichlor tabs, it would be an equal amount assuming my math is correct. Does he drain the whole pool when he winterizes or have to drain alot?