the nutrients are slowly released

which are quickly absorbed by plants and bacteria

Comparator system that accounts for the water's natural color

Internal filter

so you can easily adjust brightness

Happet Värmare AquaT 25W led-belysning the nutrients are slowly releasedHappet Submersible Heater AquaT 25W A practical and easy to use aquarium heater from Happet with a built in temperature indicator and control LED. Easy to install and maintain a cost effective option for those who want to maintain a stable temperature in their aquarium. Suitable for: Shrimp aquariums, aquascaping, and general aquariums up to approximately 25 liters. Suitable for Neocaridina and Caridina which require stable temperatures. Advantages: