Overview Ultum Nature Systems Controsoil is a volcanic ash–based freshwater aqua soil designed to support rooted aquatic plants, fish, and shrimp in lush aquascapes

Its deep black color adds contrast to plant foliage while providing a nutrient-rich base for roots, helping you craft a visually balanced, thriving tank

Engineered for planted tanks, Controsoil blends granular textures with a composition that favors healthy root zones and steady nutrient availability

This substrate aims to combine performance with aesthetic appeal across a range of aquascaping styles

Key Benefits for Your Tank Designed for planted aquariums: granular sizes promote oxygen exchange and root nutrient delivery

Low ammonia release to support balanced microbial growth and clearer water paths

No rinsing required: actively absorbs impurities to help clarify cloudy water

pH and KH buffering: nudges water toward a slightly acidic range and reduces hardness for plant-friendly conditions

I Inhabitants and Setups Suitable for freshwater fish and shrimp that prefer softer, slightly acidic water

The 6

8 pH target helps create a natural feel for many community tanks while supporting plant nutrition

Works well in aquascapes featuring live aquatic plants and root feeders

Pairs nicely with shrimp and small tropical fish that favor gentle buffer environments

In -Life Use In practical setups, Controsoil acts as a base for root growth and as a visual stage for your plants

The volcanic ash composition provides a rich, earthy look that complements green flora and the natural colors of fish

Expect the substrate to settle quickly and begin interacting with plant roots and microbial life

How to Use There is no rinsing required with Controsoil

Simply add to your aquarium, arrange plants, and fill with water

The substrate is available in a 3 liter (6 lb) size and comes in a Black color that suits many aquascapes

Size: 3 Liter | ~6 lb per pack Color: Black from volcanic ash content I pH: around 6

8 for plants and certain invertebrates Buffering: supports lower hardness to facilitate nutrient uptake FAQ Q: What makes Controsoil suitable for planted freshwater tanks

A: A volcanic ash–based substrate that buffers pH, lowers hardness, and supports plant roots while limiting ammonia release

Q: Do I need to rinse Controsoil before adding it to my aquarium

A: No rinsing is required; Controsoil can be added directly to the tank to help absorb impurities and improve clarity