Chemistry
All chemistry guides
Every parameter and topic — testing, balance, sanitize, stabilizer, and systems. Newest first.
Start hereStartHow to test
What to measure and in what order.
Read guide
Sanitize & shock
Coming soon
Pool shock
Spike sanitizer the right way — not random dumping.
7.4
Balance
Coming soon
pH
Comfort, chlorine efficiency, and metal risk.
Balance
Coming soon
Total alkalinity
The buffer that fights pH bounce.
Sanitize & shock
Coming soon
Free chlorine
Your day-to-day sanitizer residual.
Stabilizer & systems
Coming soon
Cyanuric acid
Stabilizer — too low burns off; too high stalls.
Stabilizer & systems
Coming soon
Saltwater basics
SWG still needs free chlorine in the water.
Balance
Coming soon
Calcium hardness
Soft water eats surfaces; hard water scales.
Stabilizer & systems
Coming soon
Phosphates
Intro only — not a magic algae bullet.