Brightwell Aquatics MicroBacter Lattice Large Select Size::1000 ml All HT heaters have indicator

All HT heaters have indicator lights to let you know when the heater is on

Maintain constant and stable temperatures for your aquatic creatures to thrive with AquaTop’s GH-250W aquarium heater

It also provides nitrogen

Use 1 level teaspoon for every 40 L (10 gallons) once or twice a month (or as necessary to maintain a pH of 6

Brightwell Aquatics MicroBacter Lattice Large Select Size::1000 ml All HT heaters have indicatorLarge High Porosity Filtration Medium for All Freshwater &s; Marine Aquariums. Overview Large size, high porosity filtration medium for use in ponds and large marine or freshwater aquariums. Provides huge amounts of aerobic and anaerobic surface area for efficient bacterial colonization. Provides over 7,500 square feet (700 square meters) of surface area per liter of medium. When properly colonized, and used as directed, it will reduce toxic ammonia,