OK didnt want my first thread to be a hijack so here goes.
Reading up on the BBB option and have some adv/dis adv ?'s
How many of the 3" tabs of chlorine equate in liquid bleach?
I guess 2nd ? would be be answered by the previous to figure how much more costly the 3" tabs are compared to liquid bleach.
I have recently purchased the big 34lb bucket of 3" tabs from the pool store since in the past it seemed to work better than the hth brand found at walmart
I guess some history is next. I just got things cleaned up this year (about 2 wks ago). Have only added chlorine tabs so far. Pool is ~15,000 gal fiberglass in ground, from about 3' - 5.5' deep, sand filter, 1.5 hp pump, not sure on gpm but I leave it run 24-7. Sand has never been changed and i think this is year 7. My spa jets run all the time because the air intake line has become loose under the concrete so this might be playing into my problems. All the leaves and **** have been sucked up, I bypassed the filter and dumped straight into the yard, I knew that much junk would **** out the sand filter in no time. I've back washed many times, at first the water would run cloudy/grey and then clear, would then rinse for 20 - 30 sec, and then back to filter. Now back wash water seems clear, rinse for 15 sec or so and then filter. Been putting 3 - 4 tabs in the skimmer basket and 3 - 4 tabs in the basket at the pump.
As of today TH = 200, FC=0, TA=0, CYA=0, pH < 6.4, according to strip tester (i know not the preferred test method, but it should get me close)
Last year I had a problem getting the TA up to get the pH to fall in line. Guy at pool store sold me jug after jug of alkalinty plus stating that my pool was acidic, tried partial water changes as well. This year I seem to be going down the same path. Based on these number in the pool calc (i used 5 for a pH number) it says to add 1.3 gal of bleach, over 8lbs of soda ash or 16lbs of borax, & 22 lbs of baking soda. Are these numbers a bit extreme or is my water that screwed up. Also should I add all this at one time or 1 chemical at a time until things stabilize? Which should I start w/ first
My wifes having trouble seeing the value of going bbb vs pool store chem. Trying to get a handle on things and generate a decent cost analysis for her. So far HEB has their brand bleach $2.99/gal, baking soda 4lb $2.19, & borax 4lb $3.35
Any help is greatly appreciated.