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Competitive Exclusion
From The Aquarium Wiki
[edit] What is it?
Competitive exclusion is a term used in aquariums to keep pathogenic (bad) bacteria in low levels in an aquarium or pond.
By adding known harmless waste eating bacteria in large numbers the added bacteria out competes any existing bad bacteria for the nutrients in the tank and therefore is a safe and effective way to starve off infectious bacteria.
This is a successful way for beginners to keep your fish healthy. In a new tank there will be virtually no bacteria to out-compete bad bacteria that may be in the fish's gut. So with micro-particles of fish food floating down to the substrate, the bacteria from the fish, ornaments and of course the aquarists hands is given a huge food source and are able to grow with no competition from anything else.
- This method is why having a soil based (Walstad) tank is so successful. The soil has tens of thousands of species, with billions upon billions of bacteria in it which keep pathogenic bacteria levels very low.
[edit] Typical products
- Koizyme
- LymnoZyme
- Waste Control by Nutrafin
- Biozyme
- Stability by Seachem
- EcoBio-Block
- Viresco Aqua or Viresco Koi
[edit] How it works
There is a detailed article on the Keeton Aqua web site on its benefits.
