what is this

  • We are currently upgrading MFK. thanks! -neo
o wow... hmm...

is that the diy background i saw in the diy section a few days ago? if so.... maybe pull it out, clean the tank and see if the same thing happens again? if it does than its something in yer water/coconut... if not than maybeis the background?

weird :(
 
it is not possible for me to remove the background out..
it is silicon to the back ;)

God, please help me..
Dont make me change my mind to keep the
other kind of non-water animal o_0
 
oww so it is that diy... looks good.... cept for the umm.. yeah.. hehehe

hmmm...

scrub it all clean and try it again without the coconut... if its not the coconut..... then i guess that would mean its the cement or something used on the background.... in that case i guess you could fingerpaint a layer of silicone over the background after you dry it out...
 
you might just have to scrub and water change until its flushed out
 
since i havnt found any info on anything like this. i am beginning to agree with everyone else. take one thing out at a time then slowly trial and error.
 
EDIT: OOOoo!! I just thought of something... It could be phosphate crystals precipitating out of your tap water due to the high pH caused by the alkalinity leaching out of the concrete. This is something I have to deal with as a water treatment plant operator. I suspect your pH is much higher then your test kit is measuring. I'm thinking a 9.0+, which is reasonable considering the concrete. Phosphates are a corrosion inhibitor used by municipal water supplies to prevent things like lead & copper pipes from disolving into the water.

You might be able to test for that by testing your tap water for phosphates & then testing the tank water that's causing the white stuff. If the tank water precipitated phosphates out, it should test lower for phosphates.

This isn't the end of the world though. I suggest you drain the tank & clean the glass good. Then fill the tank up again & do 1 water change per day for the next week & a half to two weeks. I bet when your pH stops rising from the concrete leaching alkalinity you'll stop seeing the phosphates accumulating on the glass. But you do want to clean them off of the glass 'cause I think they can be mildly corrosive. I don't know what it takes to etch glass, but I wouldn't chance it on my tank.

Best of luck to you man. But I don't think this requires yanking the background.
 
^ Also, don't ask me how phosphates can be a corrosion inhibitor, AND be corrosive. That's what we use it for & that's what it says on the container. So, I dunno. But my logic above still all applies.
 
Does your water company use chlorimines? Do you use prime? I would not buy a pleco to remedy any problem.....ever.......Does the coconut still have meat in it?... The most likely culprit is the diy back....Tell us what it is made of...Is it painted? Also the substrate looks bright white....Is it new? If your glass has something on the inside, it may be acting as an adhesive to possibly a multitude of thigs...Are there fish in it now? You said the water is clear right? What is the filtration like, and how old is it? What media are you using? Is it new?
 
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