Blue Green Algae...

L4byr1nth

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Hey guys!

I'm almost at my wit's end with my 240L tropical community tank.

Anyone who has followed my progress on this forum will know what a stickler I am for correct tank husbandry. Regular water changes, plant pruning, filter cleaning, and algae removal are all part of my fishkeeping routine.

I thought my Jumbo Amazon Swords were looking a little sparse, so while on a weekly pilgimmage to the LFS, I picked up a couple of plants. Did the normal check of the LFS tank, all the plants were looking bright and healthy, so went ahead with the purchase.

I have been regretting it ever since! For nearly two months now, my tank as been completely overgrown with carpets of horible blue green algae. I noticed a weird green film, or sheet, over parts of my substrate a couple of days afer putting the plants in.

Now it is over my mopani driftwood, my rocks, all my plants are dying, my fish don't look as happy as they were, and nothing I do seems to work!

I keep it as clean as I can, have cut down the light the tank gets to around two hours a day for feeding, and have increased the temperature gradually by two degrees to an average of 28.5 degrees C.

Bottom line, I'm sick of it. I'm due to move in to a new flat in three weeks, and this will involve draining my tank and relocating it. I don't want to look at this disgusting, smelly green slime any longer, so what do I do?

Is there a miracle cure? If not, what will give me the best success rate of getting rid of this stuff?

Ben.
 
it sounds like maybe a snail infestation,if you think it maybe..

Then cleaning out your tank and restarting is the best way when its really bad. i would like to see a pic if possible?
 
Lots of folks won't like this but I used Erythromycin, anti-biotic to kill the blue green algae. In fact I don't like it, but it worked. I googled this technique and then carefully followed directions. Did not even affect my filter as erythromycin is best killing gram negative bacteria and apparently the good filter bacteria is gram positive. I would rather not have gone with anti-biotics but like you, I tried everything and I could not get rid of this stuff.

It has been 3 months and it has not returned.

I don't know where you are but in the US, erythromycin is sold by API in fish stores. I hear it is more difficult to get in other countries.
 

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