How to Repair a Hot Tub

When You Need Help Fixing Your Hot Tub

Troubleshooting your hot tub problems will help you to understand the problems associated with most home spas, as well as the appropriate measures to take in order to fix the problems. There are three areas which are often associated with hot tub problems and difficulties: troubleshooting your filter , troubleshooting your heater and troubleshooting your water . These three hot tub components are responsible for a large majority of problems associated with home spas.

Troubleshooting Your Filter

Problem #1: Short amount of time between filter replacements.

Possible Causes:

  • Improper cleaning of filter on a regular basis.
  • Water not balanced correctly as a result of improper chemical application.
  • Improperly sized filter system.

Solution:

  • Always wash filters thoroughly and carefully, on a regular basis.
  • Test chemical levels on a regular basis to ensure water remains balanced.
  • If the filter is too small for the water volume, increase the filter size.

Problem #2: Water leakage around filter.

Possible Causes:

  • Damaged or worn out o-rings, tank or loose plumbing.

Solution:

  • Determine the location of the problem (whether it is coming from the o-rings, tank or pumps).
  • If the tank is leaking, replace it immediately.

Troubleshooting Your Water

Problem #1:Dirty and cloudy water.

Possible Causes:

  • Dirty filter
  • High pH and alkalinity
  • High Calcium
  • High Bacteria.

Solution:

  • Clean the filter thoroughly or have it completely replaced.
  • Drain the water completely and refill the spa.
  • Test all chemicals in your hot tub.

Problem #2: Green water.

Possible Causes:

  • Algae growth

Solutions:

  • Shock sanitizer

Problem #3: Foamy water.

Possible Causes:

  • Soft water
  • High TDS (total dissolved solid) levels
  • High contaminant level.

Solution:

  • Test and add liquid calcium.
  • Completely drain and refill the tub.
  • Troubleshooting Your Heater

    Problem #1: Hot tub water isn't heating.

    Possible Causes:

    • Thermostat may be accidentally turned down.
    • Not enough insulation.

    Solution:

    • Check the thermostat to make sure it is at the appropriate level.
    • Increase the amount of insulation if needed.

    Problem #2: Heater cycling on and off constantly.

    Possible Causes:

    • Dirty filter
    • Low water level.

    Solution:

    • Clean filter cartridge or completely replace hot tub filter.
    • Raise the water level if it is currently too low.

    Problem #3: Takes too long to heat the hot tub.

    Possible Causes:

    • Dirty filter.
    • Daily filtration and heating cycle not running long enough.
    • Damaged or ineffective insulation cover.
    • Improperly working thermostat.

    Solution:

    • Clean or replace filter cartridge.
    • Reset the time clock if it is not running long enough during the day.
    • Repair or replace your current insulation cover.
    • Repair or replace thermostat if it is not working effectively.
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