Carpet Anemone

$18.00
Call for Price

Tube Sponge shows off its pumping ability. Here, a researcher introduces a small amount of yellow vegetable dye, making a small yellow cloud in the water next to the sponge. Quickly, the sponge pumps water through its body and out the hole at the top of its tube. The moving water carries the yellow dye, and you can see the dye moving with the water. Before long, all the dye is removed from the base of the sponge and is ejected from the sponge's chimney. This entire sequence of photographs covered only 1 minute. The sponge pumps so much water that you sometimes can feel the exhaust by placing your hand near the top of the sponge's tube.


This product was added to our catalog on Thursday 08 October, 2009.

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