algae control

Went away for a week and came home to this completely taking over my sump. Protein skimmer working very hard. Used up half my reef mat in 3 days. It feels very slimy and comes apart quite easily. The consistency almost feels like slime around a piece of string, but the second you touch it, it...

Last two weeks my take has been taken over by this ugly stuff and I’m not positive what it is and I do not want to take action if it is the wrong ID and course of action. If anyone could help me figure it out I would greatly appreciate it! Thanks in advance!

I brought in a cleaner crew refresh from Reef Cleaners and they are helping me get this algae under control. Corals are looking nice and fluffy. Just trying to get things back in balance after overfeeding the tank the last month dealing with damsels. I caught 3 of the 6 using the fish trap...

I've been having the Algae grow and i cannot identify it! I don't thing it's cyano because everything I read says it's green in freshwater aqariums but blue/red in saltwater aquariums. I dont know if I'm right or wrong but I recently changed from the red sea marine salt to the Coarl sea salt...

Hello guys! Needing some help here… Any thoughts with the light parameters and other things I should do to eliminate that algae? It is a 25 gallons with a AI Prime light. Thank you!!

Hi Experts Please help to identify these and how can I eradicate? Thanks in advance. Regards Sid

Hello all, As the title says I just got back into saltwater after about 10 years. This algae whatever it is is winning the battle because I am out out idea's my water parameters are near perfect though about a week ago I added some calcium supplement (for my halimeda plant) and misread the...

Hello fellow saltiness, I know barley straw is used as an algae inhibitor in freshwater (especially ponds) because it releases H202. 3% hydrogen peroxide dosing is also used in saltwater for the same purpose. Has anyone tried barley in a mesh bag in saltwater or are there other things released...

Hey all, I'm new with reefing and this is my first algae bloom that wasn't diatoms. At first I thought it was just a heavy case of them but they seam more maroon than rusty color like I've been use to seeing and they have these little strings forming and trapping little o2 bubbles up in the slab...

Hello all, I recently was out of town for roughly a week and a half, and I had my 75gallon tank mostly automated, but just needed a friend to help me out by changing out filter floss and feeding my herbivores. Long story short, I came back to a tank full of algae. Turns out he didn't change...

Can someone please help me identify this nuisance alage I am having for the last 2 months now. I have an established 5year old SPS dominant system. My Nitrate is between 0-5ppm and my PO4 is 0.04 checked with Hanna URL checker. All the inhabitants of the tank are doing good. VIDEO:

I'm torn between having a clean up crew or not to have a cleanup crew in my mixed reef tank that is about 2 years old now (80 gallon fijicube). I probably work on my tank too much and have gyres with a good amount of water movement, but spend a lot of time blowing algae off the rocks and...

I have had an emerald crab in my tank for almost 3 months now. He is generally a good tank mate, and has good personality. He does great on the algae on my rocks, and even solved a Bryopsis outbreak I had. The problem…he is molting about one a month, and is approximately 2-3 times larger than...

Hey guys any help in identifying what kinda algae this is would be great. Also is it harmful or just unsightly? Any recommendations how to get it to go away?

Hi! I'm looking for recommendations for captive bread algae eating saltwater fish (and ideally also recommendations of where to find them in Europe). From what I've seen it is possible to find captive bred: - Yellow Tangs - Angelfish - Rainford's Goby (although I've seen debate about whether...

Hi, Need help ID'ing this nuisance algae in my tank. It starts as a small round bump, then appears to start growing a stalk/stem. It is a light green/yellow color and can apparently grow with next to no light as its inside of caves in my rockwork. Please help! I'm thinking maybe bubble algae...

Hi, My bleeding apple scoly have some black slime, probably some weird algea covering the back of the coral and slowly taking over the tissue of the coral. It's kinda weird since I don't have any algea problem in the tank and the reverse apple just beside it is doing fine. And no fish or invert...

So I got a 25-gallon tank with a complete setup for freshwater fish, but I want to build a reef instead. I'm looking for the most affordable options for sumps, return pumps, power heads, and what all is absolutely essential to maintain a reef. I know that sumps aren't essential, but do I still...

I've been fighting bubble algae on and off for about a year now and I'm getting tired of it. I physically remove them with a hose and screw driver and they come back within a week. They detach from rock and end up in my powerheads, causing cascading issues. I'd rather grow GSP because at least...

The two go together like PB+J. My current build uses quite a bit of soft silicone tube, and I get a lot of growth in these lines, and meaning that adjustments to the overflow and return are common. While keeping them out of light is the obvious option, and has worked quite well for some of my...

Yet another person in need of an Algae ID. I have reviewed things online, and I'm just not skilled in the art of ID apparently. I do have a microscope, but I'm not sure what areas need to be photographed that would help. So, here are some in-tank, on a white paper plate and then under a...

Hi , Had an outbreak of Cyano / Dyano and it killed a few of my corals.Being a new reefer it was difficult for me but finally figured out. I am sharing this just in case its helpful for another new bee. 250G system (Display tank 1 - 150G, Display tank 2 - 50G - Sump - 36 and refugium - 29G)...

I recently started up my tank about 6 weeks ago and have now gotten this algae outbreak out of no where. It’s brown algae across the rocks and also across the sand which has been a nuisance since it’s constantly seems to come back. I also seem to see a weird haze in my tank but only really...

Hi all! I'm not exactly new to reefing but I'm new to the forum (been lurking for awhile. I only created the account to ask this question). For months I've been sort of battling algae on my tank walls (mixed reef; top half SPS bottom half LPS and softies). It's this greenish film that comes off...

I have a 45g cube tank and just ordered a Coralife Turbo Twist 6x, but after reading, I'm wondering if I should have gotten a higher wattage. It's 18w and said up to 250g, but I imagine that is not for saltwater. Primary objective is to use it for reducing cyano and dinos, currently having a...