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are there any reasons to not put river rocks on the bottom? I thought it might help me see the fish - maybe create filtration?
if you're only getting leaves mainly in the fall, just use a close weave net; saves you a lot of labor and water issues. Re bog filtration; you COULD do something where you actually go OVER your pond with a raised box. Would be some engineering but not onerous. The benefit is your bog box would already be high enough and you'd get a lot of good waterfall/water movement from it. Look at what a bog filter is/does and you'll see what you have 'before the waterfall' is puny in comparison (for effect and size thereof). If you have green water, murky water, lots of algae, a bog can eliminate much of that, along with some pond floating plants, not over stocking or over feeding. A skimmer will help as long as the leaves make it that far and don't sink before hand. If you have a lot of leaves, a skimmer can get overwhelmed.This is very interesting but i’m not sure it would be practical for my 8x8 pond. There’s basically no room to expand in any direction. I also have a lot of leaves falling in and it has no skimmer so i figured adding that would be a top priority. would a skimmer and bio filter be a lot more work? We currently have a bio filter just before the waterfall.
search for 'planter bogs'; those tend to be smaller but the principles are the same, just the size container different, and of course, hoses, pumps, to be commensurate with the size you need. For instance, I have a temporaray 'mini bog' in my basement for overwintering turtles in a 1000 gallon pool. Made it with a 3'x2'x8" mortar box (plastic), cut and shaped a weir on one side, overhanging the pool. I'm using 1-1/2" flex and solid pvc because I have it laying around. The whole bog concept is pretty easy and comparable to a store bought box filter, but you have LOTS more of the imporant stuff; the biomedia for the bacteria to grow on and lots of room for plants.I did try netting it one year, and it was a problem because of the surface area - the net was designed to be flat over the pond, but I couldnt' remove the leaves as they fell and it sank into the pond - - so I bought a heavy duty net over a frame built like a tent to put up this year, and did not get around to it..... Oooops.
I'm amazed my fish have done so well...I am not giving them optimal care. but I intend to redo the whole thing this summer. I'm looking seriously into the bogs. I like the idea of an elevated one on the rim for the water plants.
I'm having trouble finding much about smaller bog builds...
By the way, I thought the link would be self-titled. But FYI - it is a link to above ground bog-building with The Pond Digger.I don't know if this is exactly what you would want to do, but it might have some helpful ideas?
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