As the title states, what is the best price and source for CYA? Best I could find was 25 lbs for 68 dollars online.
I buy mine at Lowes, since it is only generally lost through water replacement and not evaporation, there is no real need to stock up
p.s. why would you want 25 pounds anyway, that would send your CYA to 120 ppm assuming a fresh fill, which is nearly double the suggested level for an SWG pool and three times the suggested level for a manually dosed pool
If you Google "25lb stabilizer" you can find the same thing for $53.99 from backyardpoolsuperstore.com. If you buy $100 of merchandise from them, shipping is free. Might be worth it if there's something else pricey they sell that you need.
so the next question would be, does CYA lose like chlorine? if its sits in a bucket for 2 years will it go bad?