Darrell Goeken posted on Anoxic
Filtration System's Facebook. 03/08/14
QUOTE:
"I've been using this system
for over 5 years and am very pleased with my results. The AFS requires much
less maintenance, and water changes. And the Water chemistry is more stable. I
have Koi that are over 20 years old and weigh over 15 lbs. Great colors and
conformation for pond mutts too."
Setting up and testing the Anoxic
Filtration as told by dkoinut on Koiphen 2009. By: Darrell Goeken
Hi Dave: I have been using Kevin's
Anoxic filtration system for over one and a half years, closer to two tears now
and I believe I gave it a honest test. My pond is one of those pictured in your
reference. I'm still using the Anoxic filter and am very pleased with it. I was
a little leery at first because it took so long for my Anoxic filter to get up
to full effectiveness, but I was way over stocked too. I also wanted to really
abuse it to make sure it would do as he stated. I clean the anoxic filter and
drain it twice per season: March and October. I only did 60% water changes
spring and fall. (25% this year so far. )
Also I only replaced water used in
flushing my bottom drain, and what was lost thru evaporation. I did this to
abuse this filter to make sure it would keep up with my fish load. I currently
have 26 Koi ranging from 10 to 28 inches. From standard charts, and I calculate
a conservative 69 pound fish load. Until late last summer the load was much
higher. I sold and gave away over 65 8" to12" Koi, and 8" the 20"
to 22" inch range. I believe I also over feed my Koi I went threw 175 lbs
of Koi staple pellets last year plus shrimp, many fruits, rice, night crawlers,
silk worms, etc. My water quality has remained very stable. Much more so than
when I used DIY up flow filters 440 gallons of them).
Update as of 10/2008 from my water quality testing log-"
After using the Anoxic filtration system for 1-1/2 seasons, I am convinced that
it works very well as described by Kevin. And I'm very satisfied with mine. My
water quality has remained very stable last year. And even with my very minimal
water changes/ additions. pH 7.9 to 8.1 regardless of Time of day; 0.0 ammonia;
0.0 Nitrite; And nitrate has continued to drop to less than 5-ppm.I did a large
50% water change at start-up in March and otherwise, less than 2% per week till
October. I did this as an extreme test, Next year, I'll probably do more 5 to
10% water changes." I believe this system is very effective on my
"over stocked Koi pond". It did take longer to completely remove
nitrites. 05/07 to 05/08. Like all Koi ponds, this filter needs clean water, so
a pre-filter/ mechanical filter is a must. I would also say that labor
requirements was reduced by at least 50%
There are 3 pictures of my pond and
filter in Dave’s reference link. Mt first is the rectangular concrete block
pond. It’s actually a bit over 7000 gallons. Then there are 2 pictures of my
anoxic filter. I tried to copy/ past but the photos wouldn't come thru. Anyway,
they're about 3/4 down on the first page.
I just got my greenhouse cover off
the pond yesterday, but did clean the filter pond last month. Marsh Marigolds
are blooming up a storm and the water irises are also growing like crazy. Most
of these systems mine included are flow thru so cleaned and filtered water
flows from the filter pond to the Koi pond.
This is the Anoxic pond. 5.4 ft wide
by 9.4 ft long and 28 inches deep, and about 915 gallons. I have the bog plants
on elevated platforms. And there are a total of 54 biocenosis clarification pots,
with about 20 planted. Way more than is required. My water lilies and other
plants bloom nonstop all summer and grow like crazy. I have to repot after 2
years, or the plants will destroy the pots, and all without adding commercial
fertilizer.
TracenBec. You can add a few Koi
immediately, just keep a close check on Ammonia and nitrites and if they're
high add a binder to protect your Koi. In my case, I had a very heavy fish load
from the start. I didn't get the filter pond completed until August 2007 and
had readings of ammonia and nitrite for remainder of the summer. I thought the
filter would cycle in 4 to 6 weeks as my sand and gravel filters had done. I
didn't get zero readings until the end of May or early June of 2008. This was
my fault for assuming faster cycling and for not having other bio filtering on
the pond at that time.
My Koi ranged from 8" to 28"
inches at that time. Since this was a test I did very few water changes or
additions as this plus having a plant pond were my 2 main concerns with this
filter. I consider myself a dedicated Koi hobbyist but most of my friends are
water gardeners and don't want to spend too much time on pond maintenance and
water changes, so the test was to see how well this filter would work. And for
me the answer is exceptionally well, once it's cycled. And it is also very
important to provide the cleanest water possible. That is no or very little
suspended wastes since the filter is only cleaned 2X per pond season.
My pond in the CD photos is the
concrete block pond. It is to be hoped that I'll get the tile or stone on to
make it more presentable this year. This filter should work very well for your
pond. Good luck and have fun.
SOMETHING ABOUT D•KOI•NUT
Living in a state that has as
inclement weather as Illinois does. The “dkoinut” as he is better known on
Koiphen and other Koi forums, is an experienced Koi and pond hobbyist. It is no
secret that he is all over the Internet helping other hobbyist live a better
pond life. However, one thing that you can take to the bank; Darrell is
definitely a straight shooter when it comes to letting hobbyist know just how
it really is. Because of his stringent military background, he E-mailed me
every week to let me know good or bad how the filter was doing. He also
published his findings not only on the Internet, but also in his club
newsletter for all members to read. -Ed.
Darrell, he is the president of the
MVWGS Koi club in Iowa and he takes this hobby very seriously...
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I made this club badge up for MVWGS many years ago for them.
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