Yea mine is the blow up ring plastic. I just don't want it to pop and all my fish die, your pic would be so helpfull lol.
i wouldnt risk it . the foam might have harmful chemicals in it. this is the thread i wrote when i first started putting everything together.
http://www.monsterfishkeepers.com/forums/showthread.php?486018-Is-this-enough-filteration
Could you explain how you made the wood frame? I didn't see any pictures of it in your thread.
yea your pond in the thread is nowhere near the same as mine and much smaller.