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making floats

Thread Status: Hello , There was no answer in this thread for more than 60 days.
It can take a long time to get an up-to-date response or contact with relevant users.


Well-Known Member
Jul 12, 2004
I've finished my float line (30m transparent 6mm tube whith a 2mm nylon (200kg) inside);
I've also had 2extra spears made for my Riffe gun;
the next step are the floats;

I'm thinking of using rigid plastic tubes ranging from 10 to 20cm in diameter,
in which I would put polystyrene or cork to prevent floats from
imploding at depth.
Are cork or polystyrene ok?
I'm still stuck for the rest of the work; Has any one o you already made
floats out of plastic tubes??How did you proceed?
Is there any better way of making floats?