Black Lava

Black Lava

  • Very dark colour
  • Does not harden the water
  • Relatively lightweight rocks
  • Porous structure - ideal for Ferns and Mosses
  • Product pictures are examples
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Description

Black Lava is of volcanic origin, featuring a porous texture, making it very lightweight and versatile. Due to its comparably low weight, it is possible to create large structures with it.
For example it is possible to design a "Green Reef". Green Reefs are tall scapes covered in various epiphytes like ferns of the genus Microsorum or Bolbitis, Pogostemon helferi or different kinds of moss. Their roots will find a good foothold due to the porouse sctructure of the stone. Individual stones can still be moved or exchanged later on, making the layout modular.

Also a classical Iwagumi can be made from Black Lava since the very dark colors make for a good contrast to the grey color of the more commonly used kinds of stone. As an advantage Black Lava does not increase the hardness of the tank water.

Lava rock is often used in conjunction with roots. The individual stones can be covered with moss to form forest-inspired scapes.

Black Lava is available as already assembled sets. These provide an excellent opportunity to get a perfect selection (on which we have no influence) of stones which match to different aquarium sizes (60 cm, 80 cm, 100 cm and 120 cm). The sets are already compiled before they reach Aquasabi, so they can not be opened or altered.

Budget sets are not as rugged as the standard choice and should mainly be used to fill up the scape with more rocks with same colouring and shape.

To make the choice on the amount of kilograms easier for you, we have a helpful article in our Aquascaping Wiki.

Features of the Sets

60 cm Set
Tank size approx. 54 - 84 l
Stone combination 1x L / 3x M / 5x S
Number of stones 9 pieces
Weight approx. 3 kg
80 cm Set
Tank size approx. 72 - 128 l
Stone combination 1x L / 5x M / 5x S
Number of stones 11 pieces
Weight approx. 4 kg
100 cm Set
Tank size approx. 160 - 250 l
Stone combination 1x XL / 1x L / 3x M / 5xS
Number of stones 10 pieces
Weight approx. 6 kg
120 cm Set
Tank size 192 - 400 l
Stone combination 1x XXL / 1x XL / 1x L / 3x M / 5x S
Number of stones 11 pieces
Weight approx. 12 kg
Stone size in the Sets
XXL approx. 35 cm
XL approx. 25 cm
L approx. 16 cm
M approx. 12 cm
S approx. 6 cm

Product safety

Warning Notes:

  • Falling natural stones can cause damage or injuries. Handle with care!
  • Keep out of reach of children to avoid potential harm.

General Notes:

  • The stones are non-toxic but not suitable for consumption.
  • Rinse thoroughly with water before use to remove any potential residues.

Handling Notes:

  • Only suitable for decorative purposes in aquariums and terrariums.
  • Based on decades of experience, the use is considered safe.

Aquadeco

Aquadeco has been a trusted supplier of natural aquarium and terrarium decorations since the late 1980s. The product range includes a wide variety of high-quality natural stones, woods, and other decorative materials sourced from around the world. By using modern processing techniques, such as shot blasting, Aquadeco ensures a consistently high quality standard.

Manufacturer information

Manufacturer
Name Andreas Meyer - Aquadeco
Street Kapuzinerplatz 5
City 80337 München
State Bayern
Country Deutschland
E-mail info@aquadeco.com
Website www.aquadeco.com

General information

Item no.
EAN
Weight
Shipping weight

Questions and answers about Black Lava

You have questions about this product? Ask other customer or our support team about this product!

Some buyers write that they soaked the stones before putting them in, to avoid potentially unwanted substances being released into the aquarium. Is this really necessary?
Translated from German
Philipp
Dec. 2025
Sven Breitenbach
Dec. 2025
Support
Soaking the stones is not necessary. Rinsing them does help to remove abrasion dust from the stones, though.
Translated from German
Helpful!
Can especially the larger stones be split, for example with a hammer or a hacksaw, or is that wasted effort?
Translated from German
Jensemann
Jun. 2026
Verena Lutze
Jul. 2026
We advise against splitting the stones yourself with a hammer or other tools. There is a considerable risk of injury from splintering stone fragments, and the way the stones break is also hard to control.
Translated from German
Helpful!

Customer reviews

This item has been rated 4.7 out of 5 stars
63 Reviews
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5 Stars(51)
4 Stars(8)
3 Stars(2)
2 Stars(1)
1 Star(1)
Dejan T.
Einfach nur Wow
7th October
Black Lava Set - 120 cm
Black Lava Set - 120 cm

Danke für das Tolle Lavastein Set Aquasabi.

Ich kann es nur weiter empfehlen. Grüße aus Salzburg

Pascal S.
Great quality
16th August
Black Lava Set - 60 cm
Black Lava Set - 60 cm

The quality matches the product pictures 1 to 1. So, great product!

Translated from German
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Super Qualität

Die Qualität entspricht 1 zu 1 der auf den Produktbildern. Also Super Ware!

Jensemann
Sorrow turns into joy
7th July
Black Lava Set - 100 cm
Black Lava Set - 100 cm

I bought 2X 100cm lava sets a week ago. On arrival I noticed that one package was conspicuously light. A quick weighing gave 3.6 kg for one and 6.3 kg for the other. (read more)

Translated from German
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Nach Trauer macht sich Freude breit

Ich habe vor einer Woche 2X 100cm Lavaset gekauft.

Bei der Ankunft bemerkte ich das ein Paket auffällig leicht war. Kurz gewogen ergab eins 3,6 kg das andere 6,3 kg. Also mehr als 2kg unter dem ca. Gesamtgewicht. Als ich den „Kohlegruss“ dann auspackte, macht das bitte draußen oder in der Badewanne, war ich sehr überrascht und habe mich wahnsinnig gefreut. Mehr XL und L Steine als in der Beschreibung angegeben und sehr schöne Formen.

Ich möchte daraus mit der Zigarettenfilter Methode eine Gebirgslandschaft bauen die möglichst bis zur Oberfläche reicht (40cm). Ich denke aufgrund der tollen Auswahl freue ich mich sehr auf die Gestaltung. Auch wenn Aquasabi angibt keinen Einfluss auf die Sets zu haben war bei der Zusammstellung eher ein Aquarianer als ein Gärtner am Start. Vielen Dank Aquasabi für die tollen Steine ebenso wie die anderen Artikel. Bin absolut happy.

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