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Build a waterfall without an open pond

A pondless waterfall recirculates water from a hidden underground reservoir. The pump feeds a spillway or stream; water then disappears through the finishing stone into storage below. These kits bring the main components together for a stated waterfall or stream layout, while leaving the visible landscaping to suit your garden.

Does a pondless waterfall need a BioFalls filter?

It is not normally the same biological-filtration design as a stocked fish pond. Choose the spillway and circulation arrangement specified for the feature; a wetland filter is a different project.

More advice on choosing and installing

The reservoir is part of the waterfall design

AquaBlox create open storage within the lined excavation, and the pump vault keeps the pump accessible. Enough water must remain around the intake while the stream is running. Extending the stream without increasing storage can leave the pump short of water.

Plan the return and maintenance route

Shape the liner and rockwork so splashes and flowing water return to the reservoir. Keep the pump-vault lid accessible and provide a way to remove debris. Test the complete circuit before trimming liner or fixing heavy edging permanently.

Can I switch it off when I am not outside?

Follow the pump and system guidance, and allow reservoir space for drain-back. On restart the pump must still have adequate water. A timer does not remove the need for top-ups and intake checks.