Bog building question


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We started building our bog. It is 48"deep. We used aqua blocks on the bottom and 4-8" boulders on top.
We ran out of the 4-8" boulders leaving roughly 24" to the spill line.
I read that the recommended pea gravel for a bog is 12-18" , what happens if it's more?
Should we order some 3" stones or can we have 24" pea gravel?
 
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The overall size of the bog is 108"x54"x48"deep, the pump is 3450gph going slightly uphill
 

addy1

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We started building our bog. It is 48"deep. We used aqua blocks on the bottom and 4-8" boulders on top.
We ran out of the 4-8" boulders leaving roughly 24" to the spill line.
I read that the recommended pea gravel for a bog is 12-18" , what happens if it's more?
Should we order some 3" stones or can we have 24" pea gravel?
I have 2.5 feet deep pea gravel and it works great.
 
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If you can get it, I would probably use a 2-3" rock between your 4-8" and your pea gravel. It would give you more assurance that your pea gravel won't end up in your aquablox.
 
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We did step up to 2-3" rock before the pea gravel for exactly that reason - keep the pea gravel from migrating too far down.
 
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Before we started, we divided the stones by size, then started from the larger and moved to the smallest. I think we covered all the holes
There are more piles hiding from view...and yes we will need twice that amount of pea gravel

bog9.jpg
 
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This is basically what we did under the stones, and I hope it's good enough cause at this point it's too late to change things

We have to build the return to the pond, I'm not sure what we'll do but we have a few options we are considering

bog8.jpg


bog0-1.jpg


bog001.jpg


bog7.jpg


After this last pic was taken, we zippy tied the aqua blocks together to hold them in place and put the largest boulders to fill the space around them.

So what do you think, will it work?
 
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