The PH in our always seems to be low. We always have our water tested at the Pool store. They recommend shock and soda ash to increase the PH. Then it drifts back down, shock and soda ash. But this year We have added enough Shock and Soda Ash to fill in the pool and the PH is still off the chart. Chlorine fluctuates from high to low. and 3 times we have had algae blooms. My question is would Borax help stabilize the PH and chlorine use? Here are the results from the last water testing at the pool store.

FAC- 0
TAC- 4
CH- 125
CYA- 100
TA- 30
COPPER- 0
IRON- 0
PHOSPHATES- recommendation - Shock and 20 lbs of Soda Ash. (HELP I am going broke at the pool store.....lol)

HOME TEST the PH was not even on the scale......