3,500 gal water garden with bog filter

Overview

Estimated 3,500 gallon water garden. I have a 13'X5' upflow bog filter that waterfalls back into the pond. The bog provides all of the filtration for this pond. A 4,100 gph submersible pump provides the flow to the bog.

Check out the discussion tab of this showcase to follow the construction phase.

9-12-2020
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Here is the area before I started.
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Planning and Construction

I have Purple Martins and they are her from March to July. My Martin house was right were I wanted my bog plus I didn't want to disturb them with all of the construction. So, I had to wait until the off season to do this project. I started construction in the fall of 2018.

Started out by laying out a water hose to get the outline of the pond. The Pond Digger YouTube series was my major inspiration for how I wanted to build my pond. Addy's bog construction thread in this forum was my major inspiration for how to build my bog.

It took about 2 weeks (working here and there on my days off) to hand dig this pond with hand tools and a wheelbarrow to haul the approx. 18 tons of excavated dirt out back.

I didn't work much on the pond over the winter of 2018/2019. I finally got the bog finished enough in April 2019 so that I could turn on the pump. In March of 2020, I'm working on facing the cinder block bog walls with a rock facade and putting a few more cap stones on the top of the bog. I've got a little more edge work to be done.

Fish / Plant Stock

In my bog I have some iris, horsetail, penny wort, mini cattails and a few other things that I can't remember. I built planting shelves in my pond with plant pockets. I have lilies planted in these plant pockets. I also have lilies in pots in the deeper water. I put some plants in the nooks and crannies of the coping stones. I've also bought some water cress from the vegetable section in the grocery store. This stuff grew like crazy. It grow both in the bog and free root in the pond.

I have some Koi and Shubunkins in my pond. I originally put some Rosy Red Minnows and Mosquito Minnows in to start cycling the pond and to help with mosquito control. These minnows are still in there and reproducing like mad.

Pond information

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Rex
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