Shirl Posted August 15, 2021 Share Posted August 15, 2021 Hi folks, This white stuff has been forming on the manzanita log. Anyone know what it is? Im a bit concerned. I've lost two otocilclus catfish in a week. I just did a water change, and now there are bits of this floating in the water. Did a parameter check, and everything is good according to the aquarium co-op test strips, including the separate ammonia one. Thanks in advance. Link to comment Share on other sites More sharing options...
lefty o Posted August 15, 2021 Share Posted August 15, 2021 ive never used that type of wood, but most wood will grow a fungus for a short time after being put into an aquarium. has the tank been set up long? Link to comment Share on other sites More sharing options...
Shirl Posted August 15, 2021 Author Share Posted August 15, 2021 (edited) On 8/15/2021 at 7:35 PM, lefty o said: has the tank been set up long? Two and a half months. All sorts of things have grown on it, and been eaten off by my clean up crew, but this is new. It started about two weeks ago. At that point, I had three amano shrimp, two otocilclus catfish, a snail, and my Betta. Friday before last, I saw one of my huge shrimp eating a dead oto. The shrimp were also shredding my plants! I fished out the dead oto, caught all the shrimp, and went to my LFS, where they rehomed the shrimp, and sold me three new otos. Here we are a week later, the plants are recovering, but I found another oto dead. 😕 I don't know what, if anything, I am doing wrong. There is plenty for them to eat, and the water parameters are good. It all got squirrelly when the white stuff showed up, and that could be coincidence, but I figured I'd better ask the community. Edited August 15, 2021 by Shirl Link to comment Share on other sites More sharing options...
Streetwise Posted August 15, 2021 Share Posted August 15, 2021 For white stuff on wood, we often use the term, 'biofilm'. This can mean many things, including algae, bacteria, fungi, decomposition, or other forms of slow biology. Many of our favorite inhabitants love biofilm. 2 Link to comment Share on other sites More sharing options...
Shirl Posted August 15, 2021 Author Share Posted August 15, 2021 On 8/15/2021 at 7:47 PM, Streetwise said: For white stuff on wood, we often use the term, 'biofilm'. This can mean many things, including algae, bacteria, fungi, decomposition, or other forms of slow biology. Many of our favorite inhabitants love biofilm. So you don't think it's offing my otocilclus? Link to comment Share on other sites More sharing options...
Streetwise Posted August 15, 2021 Share Posted August 15, 2021 I normally consider it a perpetual source of snacks. 1 1 Link to comment Share on other sites More sharing options...
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