The airstone wont do any harm so you can leave it running, while the filter is still using a lot of the oxygen it will help to increase the surface aggitation so the gas exchanges at the surface are quicker.
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Also arcticfix just an FYI neon rainbows aren't the same as a neon tetra that needs an estabilished tank.Sky042 said:There are a lot of comments in this thread about high ammonia levels yet the first post tweety stated that she has no ammonia level or nitrite level in the water. It simply sounds like the angel brought along something nasty from the store and it quickly spread through your tank.
Also arcticfix just an FYI neon rainbows aren't the same as a neon tetra that needs an estabilished tank.
Which is meant to prove what exactly? All it says that all systems benefit greatly from water changes and that the recomended ammount of water to change is 20% fortnightly for a lightly stocked tank which should be increased with heavier stockings.arcticfox said:In reply to CFC I think you might like to read this information http/www.thetropicaltank.co.uk/wchanges.htm