I put a 150 gallon rubbermaid on mine, patterned after skippystuff filter.
No pea green and no string algae (except in the filter). Water stays clear.
However, it did clog the other day. Too many pecan "blossoms?" (stringy
beaded dammits) blocked the exit grid and it pumped down. Pump wasn't on the
bottom but I have shelves and a "lot" of lilies. Some of the fish got
trapped on the shelves and died. I'd had them over six years. Time to rework
the pond. Anybody tried the bog filter featured in this months "Water
Gardening"?
JD
http://www.nrgy.com/pond.htm

"Nobody you know" wrote in message
.. .
The Pea Green is driving me crazy G

My pond is 3 years old, and goes through this every year. I am using
"pond
blocks" but they are not working. I have a Tetra 2.5 gallon filter (pond
is
about 650 gallons). I am working on convering a 50 gallon preform into a
bio-filter. Hope that will help. The pond get a medium amount of light,
some parts of the pond are in the sun all day.

Plants are starting to come up, and I have a little hornswort and
anacranis
(sp) in the upper 100 gallon area.

Will try to get some pics up on my website soon.

Ideas, suggestions???

Thanks
Marc