Drill a small hole in each chamber or cell to release the air and it should sink.
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I’m thinking using 1/2 blocks bamboo filled with concrete would be easier to handle than full blocks. Do you think this will hold down 6-8 bamboo about 6-8’ long?
Drill a small hole in each chamber or cell to release the air and it should sink.
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Be mindful if you are in an area that has water fluctuation of more than a couple feet the it will create enough current to move them around. I had 2 30lb. blocks on each of my brush piles and within a years time they were gone, pretty sure it was from current push/pull.
I would suggest 5 gal. bucket you could break your blocks up and use as filler and top off with Quikrete cement. Buckets will keep from scratching your boat and you can get them free from most sub sandwich shops just ask for their empty pickle buckets.
Lowellhturner LIKED above post
this works real well
just saying
sum kawl me tha outlaw ketchn whalesLowellhturner LIKED above post