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Old 10-13-2004, 01:04 AM   #1
cd5
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DSB Question

I set up a DSB to help nitrates, now top inch layer has green and red algae and bubbles that can be seen through glass, Is this biological good for aquarium or should i clean it
thanks
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Old 10-13-2004, 03:27 AM   #2
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sounds like an algae bloom how are your nitrate and phosphate levels.
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Old 10-13-2004, 11:33 AM   #3
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any way you can post a pic?? Is the red algae on top of the sand? How old is the tank, how deep is the SB, what size tank.
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Old 10-13-2004, 04:49 PM   #4
cd5
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Quote:
any way you can post a pic?? Is the red algae on top of the sand? How old is the tank, how deep is the SB, what size tank.
trying to figure out how to post a pic, the red algae is not on top of the sand it is below, i can see it through the glass, I pretty sure it is not cyano because I have fought that before, the tank is about 4 months old, it is 20 gallon and the DSB is 4 inches
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Old 10-13-2004, 04:53 PM   #5
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sounds like an algae bloom how are your nitrate and phosphate levels.
I don't have a test for phosphate but I do use RO/DI, my nitrates are somewhere between 5 and 10
thanks
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Old 10-14-2004, 01:50 AM   #6
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even with ro/di phosphates are put in with food(flake, frozen, plankton mixtures) how are your detritus levels, any cleaners blue or red leg hermits, sally lightfoots,

you might also want to try limiting your lights-- 7 or 8 hours until it clears, that includes sunlight, overhead lights in the room where the tank is housed etc...

are you skimming, running gac, ???
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10 gal fw
biowheel
1 jack dempsey
1 convict
1 pleco

72 gal bowfront
seaclone 150
4 x 65 watt coralife pc
hagen aquaclear 901 in tank
via aqua 3500 with scwd return from wet/dry
160 lbs live rock
40lbs combination sugarsized sand and crushed coral
1 feather dusters
2 emerald crabs
75 hermits scarlet and blue leg
20 turbo snails
3 large brittle stars
2 toadstools
1 colt coral
3 different zoanthid colonies
1 green finger leather, and cabbage leather
1 green starburst
4 different mushrooms
1 large anemone
2 cleaner shrimp
1 6 line wrasse
2 pajama cardinal
1 rock skipping blenny (very cool if you like sadists)
2 percula clown
1 engineer goby
1 scooter blenny

NOT ALL CRABS ARE BAD
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Old 10-14-2004, 10:47 PM   #7
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You should stir the top 1/2" of the sandbed if you do not have critters to do it. With a strong flow over the DSB you should not be getting algae unless there is a nutrient issue. If you see bubbles coming up from the lower layers of the sand bed then you are seeing NNR at work. The bubbles will slowly rise to the top and release nitrogen gas into the atmosphere.
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Old 10-14-2004, 11:29 PM   #8
cd5
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Quote:
even with ro/di phosphates are put in with food(flake, frozen, plankton mixtures) how are your detritus levels, any cleaners blue or red leg hermits, sally lightfoots,

you might also want to try limiting your lights-- 7 or 8 hours until it clears, that includes sunlight, overhead lights in the room where the tank is housed etc...

are you skimming, running gac, ???
I only have one damsel and a red/pink serpent star in the tank and i barely feed them, detritus if you mean stuff found on top of sand is a little high, about a month ago I increase my 4 hermit crab to 14(blue and red legs), original when my brown algae took off i had lots of snails but did not know that high nitrates affected them, so they are gone, am considering more, need reef safe creatures though because I have some coral frags, is 7 or 8 hours enough for corals(polyps and mushrooms), power compact 64watts, the room stays dark and not affect by sunlight
thanks
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Old 10-14-2004, 11:35 PM   #9
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You should stir the top 1/2" of the sandbed if you do not have critters to do it. With a strong flow over the DSB you should not be getting algae unless there is a nutrient issue. If you see bubbles coming up from the lower layers of the sand bed then you are seeing NNR at work. The bubbles will slowly rise to the top and release nitrogen gas into the atmosphere
Was going to get a sand sifting star but I have heard mixed reviews about stirring up the sand, I have two 100gal/hr powerjets, was thinking about getting another
thanks
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Old 10-14-2004, 11:39 PM   #10
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are you skimming
yes, it is a cheap air stone skimmer that I got the first month, but it does produce alot of gunk in collection cup, I am going to try and get a good one but I am trying to buy a house right now
thanks
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