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I know it was not the intent for this product, but it was perfect for removing excess oil from my lawn mover. I will use it now for adding oil to my lawn mower as it is easier to control than by poring from oil container. Great product.
I am using this coral feeder to get flake food down into the bottom of my 180 gallon aquarium and away from the top of the water. By doing this, my fish don't have to grab food from the top of the water which will allow them to take air in. One of my bala sharks almost died from swim bladder problem after taking in too much air while grabbing food from the top of the water.
Works well for "spot feeding" my Bamboo Shrimp. Not the most finished product, edges are rough and not at all smooth but you get what you pay for. If you want or need rounded or smooth edges, I suggest something else or get glass.