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Key Features

  • 50cm diameter natural slate sphere
  • Hand-finished with unique grey and black tones
  • complete — pump, LED, reservoir and grid included
  • Reservoir: 70cm Diameter x 34cm Deep
  • Frost-resistant slate for year-round outdoor use
  • Mains powered — no plumbing required
  • Weatherproof construction that develops a natural patina
  • Height: 500mm tall
  • Products are made from natural stone so their appearance and size may vary from the details on the website

Product Details

  • 50cm natural slate sphere with a unique layered finish
  • Pump, white LED light, reservoir and support grid included
  • Water flows evenly over the sphere into a hidden reservoir
  • Suitable for patios, gravel gardens and planted borders
  • Free UK delivery from Garden Ornaments

This 50cm Slate Sphere garden water feature is a complete natural-stone kit for patios, gravel beds and borders. Water rises through the centre and runs across the textured slate before returning to the hidden reservoir. The pump, white LED light, 67cm reservoir and 70cm support grid are supplied. Each sphere varies slightly because the slate is naturally layered.

Matt's pick for medium spaces: “Seven of these 50cm slate spheres were delivered in the year to June 2026. From our experience, this size gives a substantial sphere water feature without needing the space of the 60cm model.”

Matt, Garden Ornaments

About the 50cm Slate Sphere water feature

The 50cm sphere is formed from pieces of natural slate, which create its ridged surface. Water catches these edges as it flows, producing a moving sheen rather than a flat polished effect. The white LED light illuminates the water after dark.

The feature measures 500mm high, wide and deep. Its reservoir is 670mm in diameter and 340mm high. A 700mm support grid sits over the reservoir beneath gravel or cobbles. Use the side diagram and listed dimensions to check the excavation area before delivery.

Sphere water features compared

Sphere water features compared
ModelDiameterFinishPriceBest for
Slate Sphere 50cm50cmLayered natural slate£479Most patios and medium borders
Slate Sphere 60cm60cmLayered natural slate£579Larger spaces and stronger impact
Tiled Slate Sphere 50cm50cmNeater tiled slate£479A more regular geometric finish

Setup and care

A firm, level base is recommended for the reservoir. Keep the pump accessible and test the flow before covering the grid. Top up the reservoir during dry weather and remove leaves before they reach the pump. Follow the supplied pump instructions during freezing conditions.

Browse more garden water features, stone water features and stone fountains.

Frequently asked questions

What comes with the Slate Sphere water feature?

The working kit is included. You receive the sphere, pump, white LED light, reservoir and support grid.

How large is the sphere?

The sphere measures 50cm across. It is also 50cm high and 50cm deep.

Does it need a mains electricity supply?

Yes, the supplied pump needs mains power. Plan a suitable outdoor connection before positioning the reservoir.

Can every sphere look slightly different?

Yes, natural slate varies. Small differences in colour, layering and texture are part of the material.

Is the reservoir visible after installation?

No, it sits below the support grid. Gravel or cobbles can cover the grid while leaving pump access.

Dimensions & Weight

A: Depth

500mm (1′ 8″)

B: Width

500mm (1′ 8″)

C: Height

500mm (1′ 8″)

Reservoir Dimensions:

670mm (2′ 2″) D x 340mm (1′ 1″) H

Grid Diameter:

700mm (2′ 4″)