PolyQuat??

[doggie]

Since you can't find Poly60 I'd use the 40 but more of it.

Anna

I never heard any mention of a true poly that was less than 60%. Experts please help?

[CarlD]

I never heard any mention of a true poly that was less than 60%. Experts please help?

Yeah, it's out there--usually 30%. It LOOKS cheaper but when you do the math it's more expensive.

[AnnaK]

Here's a link (of many similar ones) to a less than 60% poly:
http://www.focuspools.com/products/S...ENTRATE-30.asp

Anna