Flamingo Pebbles - 20-50mm

Yes, these are natural marble stones. It is recommended to thoroughly wash them in a separate container before placing them in a pond to ensure no manufacturing dust enters the water.

A depth of 50mm is generally sufficient to achieve full ground coverage while preventing the underlying membrane from showing.

As they are natural marble, they are highly resistant to UV fading, though they will naturally collect dust over time which may mask their true color.

No, 20-50mm stones are too large and rounded for heavy-duty vehicular traffic as they will displace easily. They are intended for decorative landscaping.

Because this is a natural product, there will be color variations between individual stones, which is what creates the 'Flamingo' effect.

Accumulated dirt is likely the cause. Rinse thoroughly with a high-pressure hose to restore the natural sheen.

You likely skipped the sub-base layer. Use a weed control membrane under the stones to provide a stable foundation.

Remove the weeds by hand and ensure your landscape fabric is intact, or apply a non-toxic, pet-safe weed inhibitor.