wrote in message
oups.com...
OK, my sword plant is ported in a 4" herb pot for now, Acrorus is in a
6" pot near the top.

Now my question about the filter. I asked about adding an aquarium
filter, but my fountain pump already has a big sponge cylinder over the
intake. 600 GPH per hour, this is already providing pretty good
filtration, right? I can just take it out and wash the sponge
regularly?

$$ 600 GPH is quite a strong pump for a 30 gal barrel. Doesn't it make a
lot of current or water turbulence? This current can be exhausting to fish.

Would the goldfish die from the heat? I checked temperature it gets
to over 80 around 5pm. 1pm-5pm would probably be the worse times.
The fountain is on a bubbler nozzle I don't think there will be a lack
of oxygen.

$$ My ponds reached 94F and all koi and GF lived through it. They remained
at the bottom of the ponds under the lilies until sundown. I didn't check
the temp of the barrels but the fish in them are fine.

I was under the impression the goldfish will eat anything when they are
hungry enough, like the Anacharis and other plants to support
themselves.

$$ If the pond is big enough that is true. What can they find in barrels
besides some algae and a few bugs? Hardly a complete and balanced diet.
Surely you can manage to feed them some fish food at least a few times a
week.
--
McKoi.... the frugal ponder...
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