The moderate warmth of the JBL ProTemp basis undergravel cable generates gentle convection currents, (slowly rising currents caused by warmth), which rise from the base of the aquarium. These convection currents ensure a slow and constant exchange of water and nutrients with the upper levels of aquarium water. In this way, the roots of the aquarium plants receive an optimum supply of nutrients from „seepage sources“, just as in the natural habitat. The result is luxurious plant growth. At the same time the ground-covering material acts as one large, biological, slow-action filter.

• optimum supply of nutrients due to slow convection currents on the floor, as in the natural habitat of aquatic plants.
• 24 V safe low voltage for hazard-free use in aquarium
• silicon-sheathed heating cable with high-quality German transformer.
• integrated light diode for function check
• Improves rooting of all water plants.
• Provides for close-to-nature flow through the bottom, precluding zones of putrefaction and ensuring uniform distribution of nutrients.
• Rot-resistant silicone material.
• Safety through 24-Volt technology.
• Including high-quality transformer conforming to German standard specifications, and suction pads for the cable

technical data: Voltage: 24 V Power input: 10 W Length heat conductor: 2 m Length cold conductor: 2 x 2 m Sheathing: Silikon For aquarium: 50 - 120 l Function display: LED