Special Silex Sand for Pool Filters | 25 kg Sand Bag for Pool | Granulometry 3 - 5 mm

Flint gravel in 25 kg bags, granulometries of 3 - 5 mm

Flint gravel is used in certain large filters, usually intended for commercial or public swimming pools.

The gravel layer is placed at the bottom of the filter, in the amount indicated in the specifications for each model.

In certain multi-layer configurations, different particle sizes can be combined, always in combination with silica sand.

In this type of configuration it is important not to mix granulometries and to respect the indicated layers.

Product features:

• Used in large-format filters.

• Ideal for commercial or public swimming pools.

• Granulometries of 3 - 5 mm.

• It is combined with flint sand in multi-layered configurations.

Frequently Asked Questions:

What is flint gravel in 25 kg bags used for?
It is used in large-scale filters, especially in commercial or public swimming pools.

Can gravel of different particle sizes be mixed?
In multi-layer configurations, different particle sizes can be combined, but always respecting the indicated layers.

What is the recommended amount of gravel in a filter?
The quantity is indicated in the specifications for each filter model.

Is it necessary to combine silica gravel with sand in multi-layer filters?
Yes, it is important to combine it with flint sand in this type of configuration.

What happens if the gravel particle sizes are mixed?
It is important not to mix the particle sizes to ensure the filter functions correctly.