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[APD] Re:Planted tank with no fish
...........If it is possible then what
supplements will I need to supply in order to
compensate for the lack of fish?
If you don't have fish, then you can have Daphnia, which will keep
the water clear. Snails can keep the soft types of algae under
control. (These aren't pets, just "accompanying invertebrates" that
came along with the plants.) If you are planning on a Diana Walstad
type of tank, without CO2 additions, toss in some oatmeal flakes
every few days to provide CO2 and feed the invertebrates. Bits of
dried liver can provide nitrogen and phosphorus, in the same way that
fish food does. You are just feeding invertebrates, not fish. You
will probably have to provide some supplemental potassium.
On the other hand, if you are going all out for pushing growth, you
are going to have supplemental CO2 and you will be adding the full
slate of nutrients. Daphnia are still useful in controlling green
water under these conditions. If you don't want to use Daphnia, then
use an ultraviolet sterilizer.
Paul Krombholz in sunny central Mississippi
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