The Waterbox Cube 20 is an approximately 76-liter reef aquarium kit with filtration integrated into the back of the tank. No separate sump is required. The package includes lighting, a return pump, a heater, an automatic top-off (ATO) system, and accessories needed to set up the aquarium.

The aquarium and equipment are used. There are some light scratches on the glass in a few places. Salt, sand, and other consumables are new.

Package includes

• Waterbox Cube 20 aquarium
• AI Axis return pump
• AI Prime HD LED reef light and Gooseneck mounting arm
• D-D Compact ATO automatic top-off system
• Heater
• Aquaforest Reef Salt
• Rock and sand
• Fauna Marin bacterial supplement
• Biological starter kit from Korallifarmi tanks

Biological starter kit

You will receive a biological starter kit compiled from Korallifarmi’s functioning saltwater systems as a bonus. It includes live rock, mature sand, bacterial cultures, and microfauna to support the start of the aquarium's biological activity.

Usage

The lighting is adjusted to the needs of the corals using the AI Prime HD light settings. The D-D Compact ATO replaces evaporated water from a separate RO water reservoir and helps keep the salinity levels stable.

Animal selection and quantity should be scaled for a nano aquarium. Suitability is determined by the corals' light and flow requirements, as well as the adult size and space requirements of the fish.

Water and maintenance

Prepare saltwater using sea salt and pure RO water. Check the salinity with a refractometer before using the water. Evaporated water should be replaced with fresh RO water, not saltwater.

RO water can be picked up from the Korallifarmi store. For making your own water, the ARKA myAqua380 reverse osmosis unit is available separately (€79.90).

In addition, you will need a salinity meter, such as the D-D Refractometer (€54.90), as well as a thermometer and an RO water reservoir suitable for the top-off system.

Technical specifications