Pa,

Yes a tank IS different as in some of the tanks they speak of in Small Scale Aquaculture. I thought you were referring to ponds. I have seen quite a few trout in a small swimming pool at a place in New York called Hicklings. Didn't see to be a lot of flow going into the pool. The owner of this farm tells me he believes trout are the easiest of all the species he has to raise. Makes sense as most of the trout in this country used for aquaculture are domesticated vs. some of the other species.

As far as books there are several that are available via online bookstores but most of them deal with large scale raceway culture. Looks like Small Scale Aquaculture is as close to good information on what you are doing as you may get.

Here in the US most trout growers use the concrete raceways but in Europe as in the British Isles and Denmark they are still using earthen ponds with much success. Their fish look better too. Raceway fish if they spend more than a year or two in a concrete raceway look like they've been multilated to some extent. For my market if I can get fish that are grow out in ponds I have won half the battle.

If pigs could fly bacon would be harder to come by and there would be a lot of damaged trees.