This comprehensive guide will demystify diatoms, explain why they appear, and provide you with actionable, expert strategies to get rid of them. Well cover everything from understanding their biology to practical prevention tips, ensuring your reef tank returns to its pristine, vibrant glory.
Good, strong, random flow prevents detritus and Diatom cells from settling on the sand and rock. Keeping the material suspended in the water column provides it a better chance of it passing through your filtration and being removed from the water altogether.

Is it possible to completely eliminate diatoms from a reef tank? While completely eliminating diatoms is challenging, maintaining a healthy reef tank with proper water parameters and effective filtration should keep their populations under control and minimize their visibility.

If you want to know how to get rid of dinoflagellates in reef tank without tearing everything down, focus on three things: diagnosis, restoring a healthy microbiome, and controlling light and flow.
Diatoms feed mainly off of silicates but also consume dissolved organic compounds, phosphate and nitrates. Unfiltered tap water can contain silicates and is a good way to jump start a bloom if you use it to mix salt or to replace water that evaporated from the tank.