You may need to have the top surface removed professionally and resurfaced.
Archives: Answers
Answer
Can’t get alkalinity down after adding 2 gallons of HCL and 2 lbs of Sodium Bisulfate
With a salt cell the pH will be continually pushed up with the manufacture of the chlorine so you do need to add a reducer regularly (every couple of days). There are acid drip systems that can be added to Read More …
30% quartz
Yes, if you are able to get quartz into the mix at that price it would be worth the addition.
best way to remove organic; hard water mineral stains from plaster/sand/marble pool surface?
Some stains can be chemically treated, others would need mechanical removal with acid washes or power washing.
Ic 40 intellichlor issue
Sounds like you have newer and older style units. If you can’t change the switch time for a new cell it would seem.
How much air change
Great question – that we don’t have an exact answer for, as we typically hand this type of question off to a qualified HVAC technician. Sorry!
Removing iron stains before using Ferri Tabs
You can add FerriTabs with little or no chlorine in the water and they should still work as they are supposed to. They are a pretty easy product to use with a wide success rate.
Removal of pink/red algae(?) Stains on pool/hot tub vinyl?
If it is a pink algae it may be permanent.
