Why You Should Always Have More Than One Hot Tub Filter on Hand

Owning a hot tub is all about relaxation—but that relaxation can quickly disappear when your filter needs to be cleaned or replaced and you don’t have a backup ready. Many hot tub owners don’t realize how important it is to keep more than one filter on hand, until they’re stuck waiting on a replacement.

Here’s why having an extra hot tub filter is a smart (and stress-saving) move.

1. Clean Water Depends on a Clean Filter

Your hot tub filter is the heart of your water system. It traps dirt, oils, hair, and debris, keeping your water clean and safe. When a filter gets clogged, water circulation drops, chemicals stop working properly, and your water quality suffers.

Having a second filter allows you to swap it out immediately, so your hot tub never has to run with a dirty or restricted filter.

2. Filters Need Time to Be Properly Cleaned

A deep filter cleaning isn’t a quick rinse—it often involves soaking the filter overnight in a cleaning solution to remove oils and buildup. During that time, your hot tub still needs a filter to operate correctly.

With a spare filter on hand, you can:

• Remove the dirty filter
• Clean it thoroughly without rushing
• Install a clean filter right away

This keeps your hot tub running efficiently while extending the life of your filters.

3. Fewer Emergencies and No Downtime

Filters don’t always fail at convenient times. They can tear, collapse, or become too dirty to clean effectively—often right before a weekend, holiday, or gathering.

When you already have a backup filter:

• There’s no waiting for shipping
• No last-minute store runs
• No shutting down your hot tub

You stay ready for soaking anytime.

4. Better Performance and Lower Repair Costs

Running a hot tub with a clogged or damaged filter puts extra strain on the pump and heater. Over time, this can lead to poor circulation, cloudy water, and even costly equipment repairs.

Regularly rotating between two filters helps:

• Maintain proper water flow
• Reduce wear on hot tub components
• Keep heating and filtration systems working efficiently

A spare filter is a small investment that can help prevent much bigger expenses later.

5. Longer Filter Lifespan

Alternating between two filters means each one gets a chance to fully dry after cleaning. This reduces bacteria growth and wear, allowing your filters to last longer overall.

In the long run, rotating filters can actually save you money by reducing how often replacements are needed.

Stay Ready, Stay Relaxed

Hot tubs are meant to be enjoyed—not sidelined by maintenance issues. Keeping more than one filter on hand ensures cleaner water, better performance, and uninterrupted relaxation.

If you’re not sure which filter fits your hot tub, or if you’d like to stock up on an extra one, we’re always happy to help you find the right match—or order it for you.