fiberglass pool walls getting rough

John46

0
May 15, 2017
8
westfield,IN
fc-4
tc-4
ch-270
cya-30
ta-270
ph-7.5
tds-3900
MY ph was running high so i took a sample to the store to see what they got. Ph was 8 and TA high over 300(which is what i got with tf-100). I added dry acid in two pound increments to correct TA. 10 lbs in total. TA still high but ph now 7.5, water looks great. walls are now feeling a little rough, I'm assuming because of the high ph? Just had partial water exchange about 2 months ago. any ideas on getting TA down? more dry acid? will the walls reverse back to normal over time? thx
John
 
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