fc 5.0
tac5.0
ch 680
cya 100ta 180
ph 8.0
tds 3700
I had just a little yellow alge.I put in 2pounds of yellow out and 2 pounds of shock every 12 hours. Now they want me to put in phos free. Then they said to drain pool because of tds, 12000 galleon plaster pool.