tube

Hi guys, I have noticed a few salt crystals or something of the sort and I was trying to figure out what they were when I noticed one had tons of tiny black dots on it. I pulled it out of the tank and then put it in a scope and it looks like maybe they are tiny black tube worms or something. I...

Hey all!! So I’ve had my tank running for about 2~ months now, and just added a BTA, with plans to get some west Aussie RFAs as well. I really really want a tube nem, but my sandbed is problematic, only being about 1 inch deep. Would it still be possible to add one, I’ve seen them lay sideways...

Hi Can anyone ID this? - found a number of them on a zoa colony. They look more purple underwater. They are about 5mm at the base (left of photo) with a vertical tube (right of photo). They are hard - and as it turns out, easy to chip off in one piece. I removed them all and the colony is...

Any idea what these tube things are on the base of my Duncan?

Just noticed these things and I am not sure if they are feather dusters, vermetid snails, some kind of aiptasia or something else. I recently moved this tank to another state, but nothing new has gone into the tank. Please help

Instead of paying $13 for each tube from BRS, I went with DIY described here: https://www.reef2reef.com/threads/brs-1-1-ml-diy-tubing-replacement.296623/ I bought a 50' roll and would never go through this much tubing alone, so I figure offer some up to others that don't want to buy this much...

Greetings! So I am fairly new to salt water aquaria -- I kept a planted freshwater for a few years -- and things are going pretty well so far. A short time ago though I discovered a few new "guests" in my tank. They look to be small tendrils/worms encased in sand tubes, which based on a bit...