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PoolBuff
A tipped paper sack spilling fine white powder onto wet stone coping with a plastic scoop resting in it, pool water beyond
Water ChemistryExplainer

Baking Soda in a Pool: What It Does

It raises alkalinity, not pH — which is why people add it, get the wrong result, and add more. How much to use, and when soda ash is the right product.

5 minUpdated Sep 8, 2026
A hot tub filter cartridge lifted out beside an open hot tub cabinet
Spas & Hot TubsChecklist

Hot Tub Maintenance Schedule: Weekly and Monthly

What a hot tub needs after each soak, each week and each month, by the spa makers' own manuals, and the dissolved-solids test that says when to drain.

6 minUpdated Oct 1, 2026
Bromine granules and a used test strip resting on the flat acrylic edge of a cabinet hot tub
Spas & Hot TubsGuide

Hot Tub Water Chemistry: Targets and Sanitizers

Bromine versus chlorine in a spa, the target ranges that differ from a pool, and why 400 gallons at 102 degrees is a completely different problem.

8 minUpdated Oct 1, 2026
A skimmer net, brush, test kit and chemical buckets laid out on pool coping
GuidesGuide

New Pool Owner Guide: Your First 30 Days

A pool came with the house and nobody explained it. Here's what to identify, what to test, what to buy and what to ignore in your first month.

6 minUpdated Sep 24, 2026
Brush, net, test kit and tablets arranged neatly on pool coping
MaintenanceChecklist

The Weekly Pool Care Checklist (Printable)

The exact weekly pool routine, in order, with the twice-weekly jobs separated from the once-weekly ones. Takes about 25 minutes.

5 minUpdated Sep 14, 2026