Test strips are the most popular way to test hot tub water, but they’re also the least accurate. Liquid kits are more reliable for pH and alkalinity, and digital readers are worth the investment if you soak frequently. Here’s how to pick the right tool for how you actually use your hot tub.
Test strips are fast and good enough for daily checks, liquid reagent kits are more accurate for weekly balancing, and digital readers are the most precise but not required for most owners. The right answer depends on how closely you want to track your water and how much time you want to spend doing it.
Test strips are fast and good enough for weekly checks. Liquid kits are more accurate for troubleshooting. Digital readers are the most precise but cost more upfront. This post breaks down when each method makes sense and which mistakes to avoid with all three.