UNS Controbase Long-Term Substrate Booster

Substrates & Nutrition

UNS Controbase Long-Term Substrate Booster

Volcanic Mineral BaseRoot Zone AerationLong-Term Nutrition

UNS Controbase is a concentrated, highly porous volcanic mineral substrate additive designed to be placed directly on the bottom glass beneath your primary active soil. Enriched with slow-release iron, minerals, and trace elements, Controbase creates a biological aerobic foundation that enhances water flow through deep root zones, prevents toxic hydrogen sulfide compaction, and provides continuous nutrition for heavy root-feeding plants for years.

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Technical specifications

Volume	2 Litres
Base material	Natural porous volcanic mineral pumice
Nutrient enrichment	Iron, potassium, trace minerals, organic carbon
Placement	Directly on bottom glass beneath Controsoil

Cover Controbase with at least 3–4 cm of Controsoil to prevent nutrients from leaching directly into the water column.

Why should I use Controbase under my regular aquasoil?

Controbase acts as a biological reservoir that prevents heavy aquasoil from compacting over time, ensuring vital root oxygenation and providing 2+ years of root nutrition.

Porous Volcanic Pumice Structure

The irregular volcanic porous structure maintains oxygenated water circulation through the deepest substrate layers, preventing anaerobic dead zones and root rot.

Slow-Release Macro & Micronutrient Reserve

Infused with essential trace minerals, potassium, and bio-available iron that stay locked in the root bed, feeding demanding species like Cryptocorynes, Echinodorus, and stem roots.

Frequently asked questions

How much Controbase should I use per aquarium?

One 2L bag of Controbase is ideal for aquariums up to 60 cm in length (such as the UNS 60U). For larger 90 cm to 120 cm tanks, use 2 to 3 bags spread evenly in planting areas.

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South Africa's premier aquatic and exotic pet destination since 2007 — with the Ultum Nature Systems range on display and available for collection in Fourways, plus expert scape consultations at the counter.

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