There are a few different ways in which red algae can make its way into your saltwater aquarium.
Perform a partial water exchange. If your tank is harboring red slime algae, the first step is to replace the nutrient-rich water in your aquarium with clean saltwater ...
Aug 22, 2013 ... Everything under the sun (and water) you'll ever need to know about those nasty red algae floating around your saltwater aquarium!
Red Slime Algae Cyanobacteria - Saltwater Aquarium Blog
red slime algae Archives - Saltwater Aquarium Blog
However, unlike the dreaded saltwater ich, marine velvet, rapid tissue necrosis, old tank syndrome and other aquarium problems that have been known to kill or even wipe out an entire system, all red slime algae is known for is…well…being ugly and slimy.Red algae growing in your saltwater fish tank can be a really problematic issue, both for your plants and fish. Having an aquarium can be really fun and rewarding too, but not when you have an invader taking over the space. Let’s not waste any more time and get right to it. We want to talk about what red algae is, how you can identify it, what causes is, how to prevent it, and how to remove it too. Get ready to say goodbye to that nuisance called red algae. We’re about to destroy it!I’m not sure that we, as a saltwater aquarium or scientific community, have figured out exactly what the recipe is for a red slime algae outbreak, but here are a few important elements that see to show up time and time again:The funny thing is that red algae is not actually that harmful. Well, it can be harmful in some cases, but it does also have some beneficial properties as well. However, for the most part, aquarium enthusiasts do not want this invader in the tank, as the problems it causes usually end up outweighing the benefits in the long run. So, just to humor all of the naysayers out there, let’s quickly go over some of the advantages of having red algae in your saltwater fish tank.My hypothesis is that red slime algae thrives in that new tank environment. Over time, the inhabitants (micro and macro fauna) of an established saltwater aquarium help to keep the red slime algae in check—but in the early stages of saltwater aquarium maturity, red slime algae seems to get a foothold much more easily.Luckily for you, there are several ways in which you can prevent red algae from entering your saltwater tank. Just as lucky is the fact that there are also a few ways of getting rid of it once it has been spotted in your aquarium. Let’s go over all of these different control methods.