Algae is controlled by maintenance!

CHSUB

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Everyday we see several posts about algae problems. Often times the advice centers around nutrients being too high or too low based on inaccurate, low resolution hobby test kits. If there is algae, regardless of the kind including dinoflagellates, there are plenty of nutrients. A clean, well maintained aquarium will never have algae problems including dinoflagellate. If you have algae problems your aquarium is dirty and you are not doing enough maintenance. It is that simple.
My saltwater aquarium never has algae problems because I maintain it properly. The same can not be said for my freshwater aquarium. I’ve gotten lazy and have not touched it in over 3 months. The tank is over feed and doesn’t have significant plant growth. Today I decided it needed some maintenance: a WC and manual removal. This was not a “rip cleaning” that some suggest, but I did remove and clean the decor. Does not matter if it is saltwater or freshwater, aquariums are maintained the same way. Keeping them clean with maintenance is all that is required.
Here is my before and after today, only took about an hour….
IMG_1851.jpeg
IMG_1852.jpeg
 
Everyday we see several posts about algae problems. Often times the advice centers around nutrients being too high or too low based on inaccurate, low resolution hobby test kits. If there is algae, regardless of the kind including dinoflagellates, there are plenty of nutrients. A clean, well maintained aquarium will never have algae problems including dinoflagellate. If you have algae problems your aquarium is dirty and you are not doing enough maintenance. It is that simple.
My saltwater aquarium never has algae problems because I maintain it properly. The same can not be said for my freshwater aquarium. I’ve gotten lazy and have not touched it in over 3 months. The tank is over feed and doesn’t have significant plant growth. Today I decided it needed some maintenance: a WC and manual removal. This was not a “rip cleaning” that some suggest, but I did remove and clean the decor. Does not matter if it is saltwater or freshwater, aquariums are maintained the same way. Keeping them clean with maintenance is all that is required.
Here is my before and after today, only took about an hour….
IMG_1851.jpeg
IMG_1852.jpeg
Agreed.

Ive been seeing more dry rock started tanks these days with algae issues. This is a unique situation of nutrient levels associated with algae growth.
when the tank is covered in GHA with a dry rock started tank ive experienced low phosphate levels but as soon as the GHA is beat and phosphate is allowed to be present in the water column or after equalibrium is made with rock and substrate, its sky high and needs to be brought into spec.
 
I’d argue that algae problems are not always just a nutrient issue, nutrient management is one aspect of husbandry but grazing or predation can also influence algae abundance. In addition, microbial and other microscopic organisms may affect algae through competition, consumption, or decomposition, even though they are not visible to the naked eye. With patience and limited intervention, some of these organisms may increase naturally and contribute to improved algae control, although their effects can vary by system.
 
Everyday we see several posts about algae problems. Often times the advice centers around nutrients being too high or too low based on inaccurate, low resolution hobby test kits. If there is algae, regardless of the kind including dinoflagellates, there are plenty of nutrients. A clean, well maintained aquarium will never have algae problems including dinoflagellate. If you have algae problems your aquarium is dirty and you are not doing enough maintenance. It is that simple.
My saltwater aquarium never has algae problems because I maintain it properly. The same can not be said for my freshwater aquarium. I’ve gotten lazy and have not touched it in over 3 months. The tank is over feed and doesn’t have significant plant growth. Today I decided it needed some maintenance: a WC and manual removal. This was not a “rip cleaning” that some suggest, but I did remove and clean the decor. Does not matter if it is saltwater or freshwater, aquariums are maintained the same way. Keeping them clean with maintenance is all that is required.
Here is my before and after today, only took about an hour….
IMG_1851.jpeg
IMG_1852.jpeg
That is a night and day difference! Well done!
 
Can’t high lighting in itself cause algae problems, or does that only happen in combination with a dirty tank?


Light is an energy source for photosynthetic organisms, so it will always contribute to algae growth in one way or another. A tank doesn’t necessarily have to be dirty for algae to thrive.
 
Yeah, manual labor is so below me and why I have employees. They do get a bit peeved with management at times for not having a grip on what they’re doing, and it shows in their work. As much as I complain about not being able to find good employees these days, and how lazy and disinterested they can be (who raised these guys?), I have to admit that they actually do a decent job….most of the time. For some odd reason they only like to focus on the rock, pumps, bottom and back wall. I think they neglect the front and side glass just to tick me off. I know I’m skirting the law by not giving them vacation time, overtime pay, or insurance…..and to be honest, holding them captive is frowned upon these days. However, they do get all they can eat, three hots and cot so to speak. Over the years several have died on the job but I don’t have to do anything about it. The other employees resort to cannabalism. Sick little jerks.

Maybe I should have an employee of the month, you know…to keep up worker morale. Mr. Urchin, you have been nominated my first official employee of the month! Keep up the good work, and continue setting a prime example for the others to follow! No, no you don’t win anything. Who do you think you are? Back to work you lazy *******!
 
Sorry @CHSUB , you keep some very nice tanks but we'll have to agree to disagree that lack of maintenance is the cause of nuisance algae, at least in my tanks. I run multiple tanks and the only ones I ever have algae problems in are tanks too small for herbivorous fish.
No one can convince me high nutrients drive nuisance algae. I have a 330g that runs NO3 40-50 and PO4 0.4-0.9. The tank has run for over 3 years at those levels and I've never had any nuisance algae in that tank. I do have 9 tangs 2 large pincushions urchins and 3 huge turbo snails.
IME certain dry rock also grows algae. I have a couple of chunks of rock that have been in 3 different small tanks and they always grow hair algae. It's live rock now after several years and still gets covered in gha.
The rocks were pulled, scrubbed and sprayed with peroxide 2 weeks ago.
This is today.
PXL_20261027_152116547.MP.jpg


The rock next to it which happens to sit directly under the light
PXL_20261027_152122249.MP.jpg
 
Sorry @CHSUB , you keep some very nice tanks but we'll have to agree to disagree that lack of maintenance is the cause of nuisance algae, at least in my tanks. I run multiple tanks and the only ones I ever have algae problems in are tanks too small for herbivorous fish.
No one can convince me high nutrients drive nuisance algae. I have a 330g that runs NO3 40-50 and PO4 0.4-0.9. The tank has run for over 3 years at those levels and I've never had any nuisance algae in that tank. I do have 9 tangs 2 large pincushions urchins and 3 huge turbo snails.
IME certain dry rock also grows algae. I have a couple of chunks of rock that have been in 3 different small tanks and they always grow hair algae. It's live rock now after several years and still gets covered in gha.
The rocks were pulled, scrubbed and sprayed with peroxide 2 weeks ago.
This is today.
PXL_20261027_152116547.MP.jpg


The rock next to it which happens to sit directly under the light
PXL_20261027_152122249.MP.jpg
I’m not sure we are disagreeing? I agree, high nutrients are not the only and definitive cause of algae. Often we see aquariums with unreadable nutrient levels and nuisance algae problems. Imo algae is extremely resourceful and can easily survive and thrive with very low nutrients, levels far below hobby testing resolution. If real-estate is limited by coral or plants (freshwater) and an adequate CUC (hobbyist included sometimes) is present, algae problems are unlikely regardless of nutrient levels.
 
CHSUB, I think "Algae is controlled by maintenance!" is oversimplifying this common problem. There are many factors that contribute to excessive Algae growth. I did regular Maintenance for over a year, and GHA would come and go, then Bryopsis was introduced and it comes and goes. I wish just Maintenance was the magic bullet but for me it never solved the problem. I still have some minor issues today, but GFO, feeding less, reduced lighting, and removing and treating rocks with Hydrogen Peroxide has helped a lot.
 

WHAT KIND OF SUBSTRATE ARE YOU RUNNING ON YOUR TANK?

  • Bare bottom

    Votes: 5 26.3%
  • A shallow bed of fine sand

    Votes: 4 21.1%
  • A shallow bed of coarser sand

    Votes: 3 15.8%
  • A deep sand bed

    Votes: 3 15.8%
  • Mixed substrate or varying sand depth

    Votes: 4 21.1%
  • Some other substrate (posted in the comments)

    Votes: 0 0.0%
  • I don’t have a reef tank yet

    Votes: 0 0.0%
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