Guide to Hot Tub Filters: Types, Cleaning, and Replacement
Enjoying your spa starts with clear, safe water, and that depends on regular hot tub filter cleaning. A well-maintained filter removes debris and protects your equipment, so you can relax knowing your hot tub is running at its best.
Why Filters Matter
Filters trap oils, dirt, and other particles that affect water quality. When they're neglected, circulation slows, energy costs rise, and mechanical parts can wear out prematurely. Consistent care is a simple way to protect your spa and enjoy consistently clean hot tub water.
Common Hot Tub Filter Types
Hot tubs use different types of filters, but the most common are:
Cartridge filters: The most common option for spas. They're affordable, easy to rinse, and effective at capturing fine particles.
Ceramic filters: Durable and reusable, though less common. They provide excellent filtration but can be fragile if dropped.
Sand filters: Typically used in larger spas. They offer long lifespans but take up more space and need periodic backwashing.
Your hot tub's size, usage, and maintenance habits will determine which filter type works best. Spa cartridge filters suit most homeowners, while ceramic and sand filters are better for specific setups.
Step-by-Step Hot Tub Filter Cleaning Guide
Follow this simple routine to extend the life of your filter and maintain water clarity:
Turn off the power: Always switch off your hot tub before removing the filter.
Remove the filter: Carefully lift it from the housing to avoid damage.
Rinse thoroughly: Use a garden hose, spraying between the pleats and across both ends to remove dirt and debris.
Soak overnight: Place the filter in a bucket with a spa-specific cleaning solution for 12–24 hours to break down oils and buildup.
Rinse again: Flush until the water runs clear so no cleaner residue remains.
Allow to dry: Ensure the filter is completely dry before reinstalling.
Reinstall: Place it back in the spa and restore power.
When to Replace Your Hot Tub Filter
Even with proper hot tub filter cleaning, every filter has a lifespan. Most spa cartridge filters last 12–18 months, but it may be time to replace yours if:
You notice visible wear or damage
It stays dirty even after deep cleaning
Water struggles to flow through it
Check the filter part number or take accurate measurements to get the right replacement. The proper filter keeps circulation strong and water consistently clear. If your spa is older or needs frequent filter replacements, it may be worth considering whether an upgrade could save you maintenance costs in the long run.
Keep Your Spa Sparkling with The Spa Spot
Regular hot tub filter cleaning is key to enjoying a clean, healthy soak, but choosing the right model matters too. At The Spa Spot, our hot tubs feature advanced filtration systems and reliable warranties, giving you worry-free relaxation for years. Visit us in Calgary, Edmonton, Grande Prairie, or Lloydminster, or contact us today to explore our collection.