Free hot tub water check

Snap your test strip.
Know what to do.

Upload a photo of your strip or type the error code on your panel. AskTub reads it instantly and tells you what's wrong, what to add, and which part fixes it.

  • Works with most strip brands
  • Balboa, Gecko and other control systems
  • Free account, no credit card

General guidance only. Follow your manufacturer's instructions and product labels.

Three steps to clear, hot water

1

Snap or ask

Photograph a test strip or your control panel, or just describe the problem.

2

Understand it

AskTub reads the results for your tub's size and model and explains what's going on.

3

Fix it

Follow step-by-step instructions, order the exact part that fits, or get bids from local hot tub pros.

Everything your hot tub needs, in one place

Test strip reader

Point your camera at a strip. Get readings and what to add — no color-chart squinting.

Error code decoder

FLO, OH, HL, SN — see what your panel means and the fix, for Balboa, Gecko and other systems.

Parts that actually fit

Filters, heaters, pumps, jets and control packs matched to your tub's brand and model, shipped to your door.

Bids from local pros

When it's a job for a technician, send your diagnosis and get bids from licensed pros near you.

Smart reminders

Filter cleaning, water changes and weekly testing — on a schedule built for your tub.

Ask anything

Cloudy or foamy water, wiring a new tub, winterizing — ask like you'd ask a friend who knows hot tubs.

Now in Los Angeles

Can't fix it yourself? Get bids from local pros.

Your diagnosis goes with the request (tub model, error code and the likely part), so licensed techs nearby can price the job without a guessing visit.

  1. 1Request bids from any diagnosis or error code, in one tap.
  2. 2Get 2–3 bids, usually within 24 hours: visit fee, repair estimate, earliest date.
  3. 3Pick a pro. Only they get your address and phone number.
Request bidsFree for hot tub owners
Sample requestFLO error won't clear
Balboa controlFilter cleanedLikely: pressure switch90405
Spa tech · 2.1 mi$180–240License verified · $95 visit, credited to repairTomorrow
Spa repair co. · 4.8 mi$210–290License verified · free visit with repairThursday
Electrician · 3.5 mi$160–260License verified · $120 visitToday, 4 pm
Example bids for illustration. Pros' licenses are checked before they can bid.
Hot tub pro? Get pre-diagnosed jobs near you.See the tub, the error and the likely part before you bid. No sales calls, no commission on the job. Your first 3 bids are free.
Join as a pro

Questions

Is AskTub free?

Yes. Reading test strips, decoding error codes and asking questions are free with a free account.

Why do I need an account?

Your account remembers your tub's size and model, so every answer and dose is specific to you, and it sends testing and filter reminders.

Which hot tubs does it work with?

Most portable hot tubs and spas, including systems from Balboa, Gecko and other common control makers.

Can it replace a technician?

For water care and simple fixes, often yes. For electrical repairs, AskTub will tell you when to call a licensed professional, and you can get bids from pros nearby.

How do pro bids work?

Request bids from your diagnosis. Local licensed pros see your tub, the problem and your zip code, and send a visit fee, a repair estimate and their earliest date. You pick one; only that pro gets your address and phone number. Free for owners. Available in the Los Angeles area to start.

I'm a hot tub pro. How do I get jobs?

Create a free profile with your service area, the brands you work on and your contractor license. Your first 3 bids are free; after that you pay per bid, with no commission on the job.

Stop guessing. Start soaking.

Check your water in under a minute — free.

Check my water now