Ive always used these in my tank but last week i went to get new ones from my local pet shop and the owners says i dont need them and that he never uses them in his tanks. Is this true? Am i wasting money buying them?
You don't need both activated carbon & zeolite, just use one. They are used for chemical filtration, to remove dissolved toxins & chemicals from water, plus odours (similar to carbon used in the fridge to remove strong smells and those used by
Stillwaters | Jan 11, 2008
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Aquarium Filter Maintenance
23.11.11
Undergravel filters are unique because they use the substrate as the filter medium. In the case of a typical freshwater aquarium, medium to fine gravel is used. Water is drawn into a bed of gravel 2 to 3 inches in depth, through the filter plate, and then up and out via airlift tubes or one or more powerheads.
The gravel performs both mechanical and biological filtration. Silt and debris get trapped in the gravel, and the gravel grains are covered with the bacteria that remove ammonia and nitrite. Each time water changes are done, simply stir the gravel with a stick, and siphon out the muck that emerges. When done regularly, this should keep an undergravel filter in good working order .
Inevitably, some debris will collect under the filter plate. Once a year, strip down the aquarium, lift the plate out, and clean the bottom of the tank thoroughly. Because the gravel is live biological media, treat it as you would any other live biological media: Do not allow it to dry out, and do not wash it under a hot tap.
Source:
carbon zeolite filters - News
FishChannel.com - Nov 23, 2011
Carbon has a useful working lifespan of about four weeks. Older carbon must be replaced; otherwise it simply becomes too clogged with bacteria and silt to perform any useful function. Carbon cannot be cleaned or “recycled” for further use. Zeolite
The compressor pushes air through several HEPA filters plus a chamber filled with zeolite, a porous volcanic material. The company says the zeolite acts as a catalyst — somewhat like a catalytic converter in a car — breaking down carbon monoxide,
You'll also need a large canister filter with ammonia-removing zeolite and a hang-on-the-back filter with fiber foam and activated carbon. Commercial breeders use trickle filters. A simple, inexpensive trickle filter can be constructed with a powerhead
The residual was never measured in the main pond, more than likely due to the 2900 lb. bubblehead biological filters. ECOsmarte recommended that Price put in 2 Zeolite filters, with an ECOsmarte Koi oxygen system to stop ammonia buildup that comes from
The system incorporates a copper zeolite-based catalyst capable of converting 95% of the NOx passing over it to non-polluting gasses. The CPF is then used to reduce black soot emissions. The modifications to the engine have also seen power output