Guide topic
Chlorine Pool Care
Plain-English, source-cited guides to keeping a chlorine pool clear.
Guide
Free chlorine and CYA: the ratio that matters
Why stabilizer changes how much chlorine you need, and why a fixed 1–3 ppm target turns pools green.
Read guide →
Guide
How much chlorine or shock to add
Dose liquid chlorine or cal-hypo by pool volume and the FC rise you need — with a worked example.
Read guide →
The app for this
Splash: Chlorine Pool Care
Turn your test readings into the right chlorine target and exact dose for your pool — CYA-aware, with a full water-balance check. Free to download.