I finally splurged on a nice test kit the TF-100xl, here are my results, i asking some feedback since im having a hard time clearing the water up
pool stats
21,000g I/G vinyl liner, sand filter
bbb method, bleach for shocking/boosting chlorine, and i run trichoro 3 inch tabs in skimmer to maintain level
Current water-cloudy, can see shallow end bottom, but cannot see deep end, open approx
1 month now


FC-1.5
CC- 1
TC-1
PH 6.8- added 1 box borax last nite.
TA-100
CYA -under 20, i filled the viewing tube to the top and could still see the black dot at the bottom.
ch-did not check,since it thought it mostly pertained to concrete pools.


Q1-How do these numbers look, and is there any recommend action to perform, ive shocked multiple times over the last few weeks with improvements in water, it was green

Q2-My ph seems to like to stay low, i will correct it and seems like within a few days i recheck and its back to 6.8. Any ideas why or advice, We have not had too much rain and my alk seems to be on the money.
Could it be the trichloro pucks or pine needles blowing into the pool.

Q3- whats common practice for using algaecide. I added 24 oz of polyquat, and 3 gallons of 10% bleach, and the next morn( 1 wk ago) the pool looked alot better. Not sure which was the contributing factor. Is algeacide recommended as a weekly maintence item or used as necessary.
thanks