Weird algae

Brandon42

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so I went away for the weekend and when I got back I had this strange algae in my tank. I'll attach pictures but some of it appears to be hair like but black and some almost looks like spider webs. Any suggestions as to get rid of it. My last water change was Tuesday and I'm gonna do another tomorrow. Hopefully can vac out a good amount.

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For sure you should lift out all rocks clean them externally w sw so there is no growth on the rocks, don't add something to the water or treat the water to fix it your tank is pretty new and assumed not packed in waste sandbed? high white LED rates can spurn that growth you have too, these rocks aren't purple coralline yet they are open to colonization by first responders, plants bacteria and fungi, before calcium carbonate depositors not all of these are nutrient issues. they are bright white lights on bright white rocks and no grazer issues per pics

after the rocks are cleaned and the walls scraped/siphoned and the sandbed hand siphoned/cleaned the tank will be free of it. You gauge the hidden problems off growback rates, but you hand clean first. The assessment isn't made from an invader in the tank, its off the rebound.

was UV running the whole time and didn't prevent this?> agreed it could be dinos too, sometimes they come in sync w cyano as competing strains for vital space (and dinos can easily take over depositors by blanketing/smothering if these are dinos)
 
For sure you should lift out all rocks clean them externally w sw so there is no growth on the rocks, don't add something to the water or treat the water to fix it your tank is pretty new and assumed not packed in waste sandbed? high white LED rates can spurn that growth you have too, these rocks aren't purple coralline yet they are open to colonization by first responders, plants bacteria and fungi, before calcium carbonate depositors not all of these are nutrient issues. they are bright white lights on bright white rocks and no grazer issues per pics

after the rocks are cleaned and the walls scraped/siphoned and the sandbed hand siphoned/cleaned the tank will be free of it. You gauge the hidden problems off growback rates, but you hand clean first. The assessment isn't made from an invader in the tank, its off the rebound.

was UV running the whole time and didn't prevent this?> agreed it could be dinos too, sometimes they come in sync w cyano as competing strains for vital space (and dinos can easily take over depositors by blanketing/smothering if these are dinos)


Filling my water change bin now so I can start some cleaning/scraping. Yes the uv was on the entire time. And I did a water change last Tuesday. All parameters seemed stable. I won't lie and say there wasn't a decent amount of waste on the sand bed but I only have 3 small fish in a 125 gallon tank so the waste load is not that large and I did vac the Sand bed last Tuesday . I don't actually use led except for moonlight ones at night. My worry is my light didn't shut off like it was supposed to while I was gone and my house sitter didn't do anything about it. That mixed with sunlight because they opened all the blinds in the room with the tank.
 
the gha spots id hit with peroxide outside the tank, all this cheating is just making up for any variables not controlled in your absence to me its just quick rebounding, no real rules broken. if there's one thing im sure of after 7 yrs of constant peroxide threads tank after tank, its that leaving an invader in the tank and taking action X on the water is the cause of all of them.

Making a tank fully clean, then doing action X and gauging only growback to rate action X is the new wave man. ha!
B

also, im disappointed UV didn't have your back, he must be only correctly sized for the tank and not grossly oversized. the overrated ones will cover this kind of stuff, and, your current one probably lessened it. this would have been worse without, hence the nice backup safety that is UV.
 
the gha spots id hit with peroxide outside the tank, all this cheating is just making up for any variables not controlled in your absence to me its just quick rebounding, no real rules broken. if there's one thing im sure of after 7 yrs of constant peroxide threads tank after tank, its that leaving an invader in the tank and taking action X on the water is the cause of all of them.

Making a tank fully clean, then doing action X and gauging only growback to rate action X is the new wave man. ha!
B

also, im disappointed UV didn't have your back, he must be only correctly sized for the tank and not grossly oversized. the overrated ones will cover this kind of stuff, and, your current one probably lessened it. this would have been worse without, hence the nice backup safety that is UV.

I do think my uv has been doing something my water is actually still crystal clear lol. Everything that is growing right now is attached to sand or rock so if it never got through the uv it wouldn't be able to kill it correct??

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I'm not very familiar with the peroxide process I will read up on that. My plan right now is as soon as my new water is ready to vac out the bed as much as possible. Take the rocks out and scrub them in the vac'ed water also going to try pulling as much out as I can by hand.
 
yes I agree those would have to be dislodged, reduced in size before a uv would help. the removal process leaves only a clean tank, and tiny bits of this stuff floating, that's the sizing UV can help with.

the peroxide method here isn't dumping any in your tank, its just pouring it over surfaces outside the tank and scraping the algae off during

the right mode for you is all hand removal, the chem aspect is just done outside of tank, to burn leftovers. in no way will you harm bacteria by using 3%, any way you choose to employ it, even if you dumped an entire bottle in your tank, no bac harm
 

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