Cleaner Filters, Better Water Flow
AquaSpa Instant Filter Klenz is the fast filter-care step in the AquaSpa chlorine-free and bromine-free spa system, created to keep cartridge filters cleaner and better able to support healthy, sparkling spa water.
Warm spa water can quickly load cartridge filters with oils, body fats, debris, grime, organic build-up, and calcium scale. AquaSpa Instant Filter Klenz makes regular filter care quicker and easier with a fast-acting no-soak formula that helps remove this build-up without the need for lengthy soaking.
Key Features & Benefits
Helps remove built-up filter residue
Targets oils, body fats, debris, grime, organic build-up, and calcium scale from cartridge filters.
No soaking needed
The fast-acting formula makes filter cleaning quicker and easier as part of regular spa care.
Spray on, hose off convenience
Simple application makes it easy to clean cartridge filters without a lengthy cleaning routine.
Supports better water flow
Cleaner filters can support more efficient filtration and steadier day-to-day spa performance.
Helps maintain cleaner filtration
Regular cartridge cleaning supports the wider AquaSpa system by keeping filters in better condition.
Fits into regular AquaSpa care
Frequent filter cleaning helps keep the spa system working more cleanly and efficiently over time.

How It Works
AquaSpa Instant Filter Klenz is a fast-acting cartridge filter cleaner formulated to break down and lift the oils, body fats, debris, grime, organic build-up, and calcium scale that collect in filter pleats during normal spa use. This build-up can restrict water flow, reduce filtration efficiency, and make the spa system harder to keep performing at its best.
Its no-soak spray-on, hose-off formula is designed to loosen this residue so it can be rinsed away more easily with fresh water. By helping keep cartridge filters cleaner, AquaSpa Instant Filter Klenz supports better filtration, easier routine maintenance, and a cleaner overall AquaSpa system.
How to Use
- Turn off spa equipment before removing the filter cartridge.
- Remove the cartridge filter from the housing.
- Spray AquaSpa Instant Filter Klenz thoroughly over the filter surface, including between the pleats.
- Leave the cleaner on the filter for at least 5 minutes.
- Rinse thoroughly with clean water.
- Reinstall the cleaned filter and restart the system.
Important Usage Information
- For use on cartridge filters only. Do not add this product directly to spa water.
- Clean filters regularly to help maintain water flow and overall filtration performance.
- Heavily soiled filters may require a second application.
- Foaming may occur during rinsing. Continue rinsing thoroughly until foaming stops.
- If adding other AquaSpa products to the spa on the same day, keep those chemical additions separate from filter cleaning tasks.
Regular filter cleaning forms an important part of the AquaSpa system, helping keep cartridge filters as clean as possible throughout normal spa use and seasonal maintenance periods.
The AquaSpa Chlorine-Free Spa Experience
AquaSpa by Lo-Chlor offers a different way to care for spas and hot tubs, built around a chlorine-free and bromine-free system that supports healthy, sparkling water with a gentler feel.
Proudly Australian and manufactured for local spa conditions, the AquaSpa range is created for spa owners who want comfort, freshness, and simpler weekly care. It works as a complete system to help maintain a more enjoyable soaking environment without the usual harshness associated with traditional sanitising methods.
From ongoing sanitising and oxidation to water clarity, balance, and system care, AquaSpa brings each part of spa maintenance together in a way that feels easier, more comfortable, and more rewarding to live with.

Frequently Asked Questions
Why does my cartridge filter still look dirty after cleaning?
Some filters carry heavier build-up than others, especially when oils, body fats, minerals, and scale have been sitting in the pleats for some time. In these cases, a second application may be needed to achieve a cleaner result.
What if my filter foams while I rinse it?
Foaming during rinsing can happen as loosened build-up and cleaner are flushed out of the cartridge. Continue rinsing thoroughly with clean water until the foaming stops.
Why is regular cartridge filter cleaning worth doing even if the spa water still looks clear?
A filter can hold oils, debris, and other residue even when the spa water still looks fine. Keeping the cartridge clean helps support better water flow, cleaner filtration, and easier ongoing AquaSpa care.
Is this only for deep cleaning, or can it be used for regular upkeep?
It can be used for regular upkeep as part of routine filter cleaning, not just when the cartridge is heavily soiled.
Can I use AquaSpa Instant Filter Klenz with any AquaSpa sanitising setup?
Yes. It is suitable for cartridge filter cleaning within the wider AquaSpa system and supports ongoing spa care by keeping the filter cleaner and better maintained.
How often should I clean my cartridge filter?
Regular cleaning helps keep the filter performing well. Frequency will depend on spa use, but more frequent cleaning is worthwhile when usage is high or the filter is carrying visible build-up.