Dymax IQ9 Lid Native & Specialist The JUWEL fine filter sponge

The JUWEL fine filter sponge is primarily used for the biological filtering of your aquarium

all electrodes need to be calibrated at regular intervals

Flicker free (T5)

A calcium level outside of this ionic balance can cause poor coral skeleton growth and tissue necrosis

Dymax IQ9 Lid Native & Specialist The JUWEL fine filter spongeAquarium lid cover for Dymax IQ9 tanks. The IQ9 Lid is designed to prevent fish from jumping out of the Dymax IQ9 aquarium; reduce evaporation of water and to prevent light from getting wet through splashing water. Plastic lid which is weightless; easy to clean and allows more light penetration throughout and generally unbreakable compared to glass.