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#1
02-20-2003, 05:36 AM
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Brown sand and Bubbles
hello I have a questions ? Our sand bed is turnning brown And it has air bubbles on it . (a) are the bubbles Nitrate ? (B) is the brown stuff an algee? :shock:
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#2
02-20-2003, 06:25 AM
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B) The brown stuff is probably diatoms. They are common in newer setps; generally they disappear after a little while.
A) If your setup is fairly new the bubbles are likely oxygen. Established tanks with a good sand bed will also release nitrogen bubbles reduced from nitrate.
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#3
02-20-2003, 06:42 AM
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Thankyou
ron101 thank you for your reply
 Should I stir the sand bed or leave it alone ?
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#5
02-20-2003, 07:54 PM
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Because of the presence of air bubbles I would suggest you have Cyano (slime algae) The color is probably reddish brown. Cyanobacter can take on many colors including black.
__________________
Bob ----------------------------------------------------- To be loved you have to be nice to people every day - To be hated you don't have to do squat. ---------Homer Simpson--------
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#6
02-20-2003, 09:07 PM
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Didn't Tony have brown bubbly slime recently? Some kind of Dinoflaggelates? Yuck!! Or it could just be diatoms....I had bubbly diatoms when I first started. Good luck with that!! :shock:
__________________
Brad
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#7
02-21-2003, 02:46 AM
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The colour of this thing is nearly a rust colour. The 2 pictures were taken with 2 different settings on the camera.
1- with preset w/b to account for the blue colour from the light  2- set to auto colour for w/b  This is a 90 g tank and we've been running it since November. Here are the water parameters: SG-1.025 pH-8.3 NO3-0 CA2-400 ALK- 1.94 meq/L; 5.4dKH PO4-0 NH3-0 NO2-0 Hope this information helps. Thanks!
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#10
02-21-2003, 03:07 AM
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Jeanna, what kind of kit are you using for the PO4 test?
looks like diatoms to me, i just had them a while ago and they turned into cyno... now both are gone and i am left with a turf algae  Steve
__________________
 *everything said above is just my opinion, and may or may not reflect the views of this BBS, its Operators, and its Members. If cornered on any “opinion” I post I will totally deny having ever said this in a Court of Law…Unless I am the right one*Some strive to be perfect.... I just strive.
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