This article details the construction of a stunning 168L Fluval aquarium, meticulously crafted with a captivating lava cave and lush jungle theme. Follow along as we guide you through each step of this ambitious aquascaping project, from building the realistic lava cave structure using expanding foam and lava rocks, to carefully layering the substrate for optimal plant growth. Discover the secrets to creating a visually engaging and biologically balanced ecosystem.The build incorporates a diverse range of plants, creating a multi-layered, jungle-like environment. Learn how the strategic placement of rocks, black sand, and carefully chosen plant species contributes to the overall aesthetic. We'll also cover the introduction of a vibrant community of tropical fish, completing this immersive underwater landscape. Prepare to be inspired by the transformation of a simple aquarium into a thriving, miniature ecosystem.
Read more: 5 Amazing Lava Rock Aquarium Caves
Cave Construction and Lava Rock Application
The build begins with creating a captivating lava cave structure. Expanding foam is strategically used to form the cave's basic shape within the tank. Once the foam sets, excess material is carefully removed to create a more natural, irregular appearance. This meticulous process ensures a realistic rock formation.
Lava rocks are then meticulously applied around the foam structure, filling in any remaining gaps. Crushed lava rock, obtained from breaking larger pieces, adds further texture and realism to the cave. The result is a convincing, mini-cave perfect for fish to hide and explore.
Substrate and Nutrient Layer
A robust substrate layer is essential for healthy plant growth. The base consists of 'Neutrase,' a unique blend of lava rock, sand, gravel, and beneficial bacteria. This mixture provides an excellent foundation for the various plants, especially the carpeting plants planned for the bottom.
Aqua soil is then added on top of the Neutrase, further enriching the substrate. Used mixed sand and aqua soil from a previous aquascape are also incorporated. Finally, crushed nutrient tablets provide a boost to the stem plants, particularly those planted within the cave section itself.
Rock Placement and Black Sand Decoration
Several rocks are strategically placed to mimic boulders that have fallen from a cliff face, adding visual interest to the bottom and sides of the tank. These rocks create natural-looking crevices and uneven surfaces within the overall scape.
Black sand, thoroughly washed to remove dust, is carefully added. Although slightly more challenging to work with due to its dampness, it adds a dramatic contrast and enhances the overall aesthetic. The damp sand settles easily among the rocks and substrate layers.
Planting and Aquascaping
A diverse range of plants are carefully added, including Anubias, Bucephalandra, Cryptocoryne varieties (including the pink Cryptocoryne parva), and various stem plants. These plants are strategically placed to provide textural diversity and create layers of visual interest throughout the tank.
The planting strategy focuses on creating a ‘jungle’ feel, with taller plants placed towards the back and smaller carpeting plants in the foreground. The various textures and colors of the leaves, combined with the strategically placed wood pieces, create a lush and natural-looking landscape.
Water Filling and Final Touches
The tank is filled with conditioned tap water, incorporating beneficial bacteria to jumpstart the nitrogen cycle. This is a crucial step to establish a healthy environment for the fish.
Crystal clear water additive is also added to aid in filtration. Final touches include arranging remaining plants and decorations, ensuring everything looks natural and well-integrated. The finished tank creates a realistic miniature jungle environment.
Fish Introduction and Conclusion
Various fish species are carefully introduced, including Ember Tetras, Copper Harlequin Rasboras, Chili Rasboras, and Five-Banded Barbs. The diverse fish community adds movement and life to the vibrant planted environment.
The final result is a stunning 168L aquarium featuring a captivating lava rock cave, a lush jungle-themed aquascape, and a lively community of tropical fish. The detailed planning and meticulous execution create a visually appealing and ecologically balanced ecosystem.
