> Eco wrote:

>> Everyone keeps harping on about how you have to make
>> your reservoir light proof, to prevent the growth of aglae.

>

>> However, how about Algae Eaters?

>

>>http://www.aquariumsecrets.com/Algae%%20Eaters.htm

>

>> These are tropical fish, which only eat algae. I know there
>> are aquaponic growers, but how about just letting
>> these little fish loose in your reservoir, and letting
>> them eat the algae?
>> I'll bet they'll even provide manure for your plants?

>
> Hi,
>
> it's at least theoretically possible.
>
> saw it on discovery channel I think.
>
> it was a big hydro lettuce grow with talipia(?) in the tanks.