Pool Explorables
Move the controls and watch a pool idea unfold. Each lesson shows one thing that is easier to see than explain.
Any Pool Ever
Draw a pool in America and explore its construction, equipment pad, and story. Built on the idea of Any Human Ever, with sources and assumptions you can inspect.
Draw a pool →
Pool Game
Take on a pool-cleaning challenge and compete for the fastest time.
Play Pool Game →
Why Chlorine Disappears
Run one outdoor pool day and see how sun, CYA, swimmers, and debris use up free chlorine.
Explore the pool day →
What One Pool Turnover Really Means
Pump one pool volume and watch why some water still has not reached the filter.
Explore one turnover →
What Chlorine Products Leave Behind
Give common chlorines the same job and see which leftovers accumulate over time.
Compare the products →
The Salt Cell vs. the Sun
Set cell output and pump time, then see whether production keeps up with the pool.
Run the pool day →
Why pH Keeps Rising
Add acid, move the water, and see why pH can rise while alkalinity stays down.
Explore the rebound →Need a calculator instead? Browse all free pool tools.