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Ultum Nature Systems Controbase – Nutrient-Rich Aquarium Substrate for Live Plants, Fish Tank Aqua Soil for Planted Aquarium, Aquascaping - Aquarium Base Layer, Fertilizing Substrate - 8L, 9.7LB

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$89.99

$ 43 .99 $43.99

In Stock

1.Size:8l


  • Nutrient-Enriched Freshwater Aquarium Substrate with Pumice Stone for Plant Health – UNS fish tank gravel rocks infused with slow-releasing nitrogen, potassium, phosphorus, and trace elements, Controbase continuously nourishes live aquatic plants and regulates excess nutrients.
  • Optimal Base Layer Aquarium Substrate for Live Plants and Aquascaping Stability – Designed to be placed beneath Aqua Soil, Controbase prevents excessive aquarium soil disturbance, improves substrate stability, and supports plant roots for long-term growth.
  • Enhances Water Flow and Beneficial Bacteria Growth – The aquatic plant substrate aquarium gravel 6-8mm porous granules promote oxygen exchange and water circulation, enriching aqua soil for planted aquariums, and creating a thriving environment for root-feeding plants and biological filtration.
  • Ideal aquarium soil for a freshwater tank. Designed exclusively for freshwater planted aquariums. Controbase layer of nutrient-rich substrate for aquarium plants provides an alternative to a cap layer of gravel or aquarium sand for freshwater tanks capping an aquasoil, preventing from clouding the water, and providing root support for plants. Not suitable for saltwater environments.
  • Pre-Bagged Substrate Mesh Packs for Custom Aquascaping Layouts – Controbase substrate for aquariums comes in 0.5L mesh filter bags for easy substrate barrier placement, stacking, and slope creation, allowing the best precise control over the soil for aquascaping designs.
  • Compatible with UNS Controsoil and Controsand – Works seamlessly under UNS Controsoil - aquarium soil for nutrient-demanding plants or with UNS Controsand - sand for fish tank balanced, structured aquascape.



Product Description

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Ultum Nature Systems Controbase is a premium nutrient-rich aquarium substrate for live plants with high-porosity pumice eco bio stones for fish tanks designed as an aquarium base layer to provide structural stability and essential nutrients for thriving planted aquariums.

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Do not wash before use

Washing before use could remove the beneficial nutrients and buffering compounds that are essential for stabilizing aquarium water parameters.

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Spread evenly

Place Controbase planted tank evenly as the bottommost layer, before placing aquarium soil, sand, or gravel.

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Stack as needed

Controbase can be used for stacking in order to create variyng slopes for creative multi-dimensional aquascaping.

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Keep in mesh bags

Do not remove Controbase from the mesh bag. Water may become cloudy if Controbase is exposed – this will settle naturally.

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2L (Contains 4 x 0.5L Substrate Mesh Bags)

Recommended substrate barrier for aquarium tanks up to 20 gallons / 75 liters (UNS 60U Aquarium)

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8L (Contains 16 x 0.5L Substrate Mesh Bags)

Suitable substrate barrier for aquariums, paludariums, and terrariums up to 114 gallons / 432 liters (UNS 120U Aquarium)

Why Use Controbase Under Aqua Soil for Planted Aquariums?

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Prevents Soil Disturbance

Planted aquarium substrate barrier keeps aquasoil in place and reduces cloudiness.

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Supports Heavy Root Feeders

Ideal aquarium plant substrate for Echinodorus, Cryptocoryne, and stem plants.

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Enhances water clarity

Aquarium plant substrate with nutrients and volcanic rock enriched.

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Pairs w/ Controsoil&Controsand

For tailored aquarium substrate freshwater solutions.

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Placed as a base layer fertilizing substrate beneath Aqua Soil for planted aquariums, Controbase stabilizes fish tank substrate slopes, prevents aquarium soil from clouding the water, and enhances root development in nutrient-demanding aquatic plants.

Controsystem

Aquarium Base Layer

A nutrient-rich substrate base layer designed to promote healthy plant growth.

Aquarium Soil

A high-quality, planted aquarium substrate made from natural soil.

Aquarium Sand

Decorative sands, pebbles and gravel designed for freshwater aquascaping.

6-8MM Granules

Larger 6-8MM granules for better water circulation and oxygen exchange

1MM-5MM Granules

Extra Fine, Fine and Normal options in two colors to suit any aquascape.

0.14MM-15MM Granules

Extra Fine, Normal and Gravel varieties from smallest sand to bigger stones.

2L, 8L

Available in two bag sizes - 2 Liters and 8 Liters

1L, 3L, 10L

Available in three bag sizes - 1 Liter, 3 Liters, and 10 Liters

3L, 8L

Available in two bag sizes - 3 Liters and 8 Liters

1 Color

Available in 1 color

2 Colors

Available in Brown and Black colors

11 Colors

Available in a variety of colors, hues and granula sizes for optimization


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