Gary's Swimming Pool Supplies › Guides

Pool guides for Upland and the Inland Empire.

Written from what our counter and our techs explain every week. Specific to local water, local heat, and local wind.

★ GoogleSee Google reviews Since 1982In Upland C-53CSLB #1162272 CPOCertified · Insured PentairJandyHaywardWarranty center
Weekly service What to do with your pool after a Santa Ana wind event A night of wind off the foothills can undo a week of pool care. Here is what matters in the first day, and what can wait. Updated September 24, 2026 Water chemistry Why the white line on your pool tile keeps coming back That chalky band at the waterline is calcium from hard water. Here is where it comes from, how to slow it down, and when it needs professional removal. Updated September 24, 2026 Repair Why your new pool pump has to be variable-speed California efficiency rules mean most replacement pool pumps are variable-speed. Here is what that means for the price, the install, and your electric bill. Updated September 24, 2026 Repair Pool heater won't fire: repair it or replace it? Most heater problems are a part, not the whole heater. Age and the heat exchanger decide when replacing is the smarter money. Updated September 24, 2026

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