Complete kit for an undergravel heating system. An undergravel heating system makes the whole gravel in an aquarium to a biological filter because of the permanent throughflow. Bacteria in the aquarium gravel eliminates harmful substances like nitrite and nitrate and makes the aquarium water crystal clear. Water plants show more growth and prosper magnificently because of the garvel heater. But use the gravel heater only in addtion to an normal heater, not alone.The Undergravel complete heating system contains off:
-1 heating cable
-Transformator with 24 V Power security power
-Suction cups for mounting the heating cable
-Controller with operating indicator
The Undergravel heating system is available in the following version:
-100 W with approx. 7 m heating cable for aquaria up to approx. 250 l content
-200 W with approx. 14 m heating cable for aquaria up to approx. 500 l content
-300 W for larger aquaria startig from approx. 700 l content