I have a small (7000 gallon) fiberglass pool with sparkling clear water using BBB method

FAC 5
PH 7.6
TA 80
CH 120
CYA 50

Went to Leslie's today to get the water tested to for the first time this season (Northern Ca) and he wants me to add 6 lbs of hardness plus. From what I have read I need not do this.

I would appreciate feedback to further my knowledge.