The filter cartridge works like a waste bin, trapping dirt, once full it should be thrown away and replaced with a new one. To keep your biOrb or biUbe at its best, this should be done every 1-2 months. A partial water change of 30% should be carried out at the same time... 
Winter Flower Easy Plants - The winter style Flower Plants are incredibly easy to use. These realistic winter plastic plants are ceramic weighted - simply drop them in... 
The cleaner pump makes partial water changes easy and effective with minimum effort. A couple of squeezes on the hand pump is all that is needed to get the pump working. While emptying water from the aquarium the cleaner pump will also suck up dirt and debris from the bottom.. 
Purple Easy Plants - Attractive and incredibly easy to use, these purple colored plants are ceramic weighted - simply drop them in. Each pack contains two plants.. 