New Grower Air stone

[Justinsane]

Schhhh Andy.... we are having to much fun here to focus on anything.

 

[A Gardener]

Aeration without an air pump......indeed.....sort of.....dunno if this is what was referred to or something similar



They work brilliantly, I have use them for donkies years in aquariums, also comes with LED light is various colors for that extra little root encouragement.....I have no doubt they will do the job in a reservoir. No airlines snaking around, no airpump, just a power cable and the rest goes into the tank/reservoir.

More here http://www.hydor.com/eng/ario.php

I just give the water a vigorous minutes squirting with the syringe I measure nutes with. When it gets poured in it's full of little bubbles.