diatoms?

Over 6 months ago I started getting a lot of these particles on the bottom of my tank and sump. I'm not a new aquarist and even this current 400gal system is over 3 years old, but I am stumped on identifying and eliminating this rapidly accumulating brown dusty particles in the sump and tank...

So tank has been up and running over a little over a year. During that year I've battled dinos twice (both being LCA dinos) by dosing phosphate and spongExcel daily and was successful. Well I recently upgraded to new lights as the par on the old light was really weak. (zoa's were stretching a...

Hello guys. Need to know what are these brown slime. Possibly diatoms? They break when i try to pick it up. I got a kid microscope. Idk if thats enough to identify. Thanks in advance guys.

Hey everyone, I’m pretty new to reefing and i’m eager to learn more. I just got this 30 gallon aquarium a little under a month ago, started the cycle with Dr. Tims one and only with ammonia and followed the instructions. It started really good, until now, or so I think. I seem to have some sort...

Hi All, I'm new to the forum and somewhat new to reef keeping as I've got back into the hobby a few months ago. I have a JBJ RL 20 cube that has been up and running since April 11th. I started noticing what I think is diatom algae on the substrate and have been doing weekly water changes...

Are these are diatoms or dinos ? it is a new tank however I used some rock from my old tank and most is dry rock. here’s the photos , I also used the towel method. I have a microscope coming tomorrow.

A little over a week ago I fixed what I thought was a Dino problem. I did a 3 day black out and went through the Dr. Tim’s treatment. Today I come back from a long weekend and my rocks have the same brown stuff growing on them and a little on the sand bed. I don’t think they are Dino’s because...

Hi all I’ve been fighting this stuff for a while now and can’t figure out what it is it’s wavy and comes off pretty easy