In-depth, no-fluff guides on pool chemistry, troubleshooting, equipment, and seasonal care. Pair every guide with the free Pooli app for exact dosing tailored to your pool.
Hot tub chemistry doesn't have to be confusing. Here's a complete breakdown of every chemical you need, the right doses, and the exact sequence to add them.
Understanding pool chemistry is the foundation of clear, safe water. Learn what each chemical does, the ideal target ranges, and the right order to balance everything.
Testing your pool water correctly is the foundation of every chemical decision you make. Learn when to test, how to read the results, and what to do with the numbers.
A green pool means algae has taken over. Don't drain it — follow these 5 steps to kill algae and get back to crystal-clear water in less than a week.
Equipment malfunction, power outage, or planned maintenance — sometimes the pump is down. Here's how to safely handle pool chemistry when you can't run the filter.