Outdoor, sport and everyday productsShop smarter, all in one place.
UK edition · GBP

Tweruna Natural Black Obsidian Stone Vase Filler 200 g, 5-7 mm

£4.33 (as of 18/09/2026 00:08 BST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

Tweruna Natural Black Obsidian Stone is a 200 g pack of 5-7 mm decorative gravel for vases, succulent planting, small fish tanks and display work. It is described as black obsidian with a natural lava-like lustre and rounded edges, so check the size and pack quantity suit your container before choosing an offer.

You might also need

Magnetic Aquarium Glass Cleaner for Fish Tanks Under 50 Gallon£8.95 (as of 18/07/2026 12:53 BST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)View on Amazon
NT Labs Aquarium Swimbladder Treatment 100ml for Tropical and Coldwater Fish£8.99 (as of 23/10/2026 22:50 BST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)View on Amazon
FEDOUR 300LPH Aquarium Air Pump with Dual Output, 3W Adjustable Original price was: £18.77.Current price is: £16.97. (as of 23/10/2026 22:41 BST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)View on Amazon
SKU: B0G64CMP9X Category:

As an Amazon Associate we earn from qualifying purchases.

Compare with similar Aquarium Decor and Substrates

Two-Entrance Aquarium Hiding Cave Tunnel Decor£4.29 (as of 06/11/2026 20:27 GMT - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)View on Amazon

As an Amazon Associate we earn from qualifying purchases.

Quick Summary

The Tweruna Natural Black Obsidian Stone is a 200 g pack of 5-7 mm stone fragments for decorative filling. It is described as black obsidian gravel with a natural lava-like lustre and rounded edges.

The pack is aimed at decorative uses such as vase filling, succulent planting, small fish tanks, wishing bottles, potted crystal ornaments and similar display work. If the size matters for your container, check the stated 5-7 mm range before choosing an offer.

Key Details

DetailVerified information and buyer relevance
BrandTweruna, which identifies the product range.
Product typeNatural black obsidian stone gravel for decorative filling.
Pack size200 g, which is the stated quantity in the pack.
Stone size5-7 mm fragments, useful when matching the fill to a vase, tank or small planter.
AppearanceBlack with a natural lava-like lustre and rounded edges.

What to Compare Before Buying

  • Pack quantity: The pack contains 200 g. Compare that with the amount needed to cover your container or display.
  • Stone size: The stated size is 5-7 mm. Check that this suits the opening and look you want.
  • Finish and shape: The stones are described as having a natural lustre and rounded edges. Compare this with the visual finish you want for the arrangement.
  • Intended use: It is listed for decorative filling, planting and small tank displays. Make sure that matches your project.

Before You Decide

Confirm the 200 g pack size and 5-7 mm stone range before choosing an offer. Check that the decorative black finish suits the container or display you have in mind. If you need a larger quantity, a different pack size should be considered.

Brand

Tweruna

Manufacturer

Tweruna

Binding

Unknown Binding

Product Group

Pet Products

Part Number

5258WMCY8157

Model

5258AOFU8654

Warranty

1

Color

black

Energy Efficiency Class

1

Scroll to Top