ONYX Krystal filter cleaner is specially formulated to perform a deep cleaning of filter media , particularly sand filters
Over time, limescale and mineral residues accumulate in the sand, reducing water circulation and filtration efficiency. This product works directly by breaking down limescale deposits , allowing the filter to regain optimal filtration capacity.
Its powerful descaling agent helps extend the life of the filter sand, improve water quality, and reduce excessive pressure in the system.
The 1-liter format is ideal for the periodic maintenance of above-ground and in-ground swimming pools.
Key advantages
✔️ Ultra-powerful filter cleaner
✔️ Breaks up limestone deposits in the sand
✔️ Restores filtration efficiency
✔️ Extends the lifespan of the filter sand
✔️ Reduces excessive filter pressure
✔️ Easy to use during maintenance
Technical specifications
ONYX brand
Krystal Filter product
1-liter format
Type: Descaling cleaner
Filter cleaning and descaling function
Application: Swimming pool filter, primarily a sand filter
Why clean the filter sand?
Limescale deposits clog the sand and reduce filtration
A clogged filter increases pressure, decreases water clarity, and puts strain on the pump.
Regular cleaning helps maintain clear water and a high-performing system.
Instructions for use
Pour the recommended amount of ONYX Krystal Filter directly into the filter according to the manufacturer's instructions.
Allow the product to work to dissolve limescale deposits.
Perform a complete backwash
Rinse before putting the filter back into service
Recommended applications
Sand filter maintenance
Reduction of high filter pressure
Restoration of filtration performance
Seasonal pool maintenance
Usage tips
Always follow the manufacturer's specific instructions.
Do not use in the presence of bathers.
Rinse the filter thoroughly after treatment
Store in a cool, dry place out of reach of children
