SKIMMEDPool water chemistry basics
Read the source guidance and the maker’s manual for your equipment.
Start with the public guidance
Read the CDC guidance for home pool water treatment and testing. Follow the label for each chemical product.
Source: CDC: Home Pool and Hot Tub Water Treatment and Testing. Read 2026-11-15.
Test the water
Test the water at least twice a day
The CDC gives this testing guidance for home pools and hot tubs. Follow the label for your test kit.
Check pH and chlorine together
As pH goes up, the ability of chlorine to kill germs decreases
Source: CDC: Home Pool and Hot Tub Water Treatment and Testing. Read 2026-11-15.
Keep the instructions with the product
Use the maker’s label for chemical directions. This guide gives no dosing amounts.
Browse water care ↗Questions before you start
Where are the chemical directions?
Follow the label on the exact product.
Does this page give dosing amounts?
No. Read the maker’s label directions.