Hi Everyone... We have aiptasia eating berghia boom on our hands. So for a limited time, buy all of the 1/4" berghia you want for the special price of $10.99/each. Plus, when you order online, choose standard overnight shipping, and we will upgrade you to priority overnight for no extra charge. There is never a box or packing charge for anything on our website. Group orders are welcome. www.saltyunderground.com These berghia are perfect for tanks with lower flow. Feel free to call and ask questions. We want to make sure berghia are good fit for you.