yes, BSR, if it has adhesive on it, it's a no go. Keep looking for a bunch from a vendor where it has no adhesive and is just the plain embossed tape.
PS3, same to you, ask if its got adhesive. You just want the tape plain and nothing on it.
I have heard of people using peanuts, but I would not do it. For one, they are delicate little things that break easily. If/when that happens you will have all itty bits of styrofoam all over your pond which will be a PITA. Keep away, as there are better forms of media out there.