Episode Details

Closing day is the last time anyone touches your pool's chemistry until spring, and most closing checklists skip the one thing that actually matters: what happens to that water for the next five months. 

This episode covers pool closing chemistry by pool type, since winterizing an above ground pool, winterizing an inground pool, vinyl liner pool winterizing, fiberglass pool closing, and plaster pool winterizing each carry a different physical risk, not just a different checklist. 

From the water level rule that protects a vinyl liner's own shape, to why a fiberglass shell depends on its own water as ballast, to the buffer that lets plaster forgive a bad winter and the two ways that forgiveness runs out, this is the chemistry most closing guides leave out entirely. 

Four companion guides, one for each pool type, are linked in the show notes for the complete protocol. 

Show notes and free resources at PoolsScientific.com. Subscribe to the weekly email list for episode updates. Ebooks available at payhip.com/poolsscientific. Follow us on Instagram @poolsscientific24. The Pools Scientific Podcast is produced by Pools Scientific LLC — Elevated Pool Care Through Science and Technology.