The airstone does a great job of keeping the surface of Shrimphaus clear from biofilm, but how it does that exactly isn’t clear. One idea is that when the bubbles break on the surface they fling water and biofilm in random directions, including over the side of the open topped tank. For sure this flinging […]
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The Shrimphaus recently spontaneously developed a relatively solid whitish layer on the top surface of the water. I’m convinced this layer was a biofilm, a macroscopic colony of microscopic organisms holding themselves together. Although not usually considered dangerous to plants or animals, biofilms don’t look very nice, and can potentially inhibit beneficial gas exchange between […]
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