Yellow color in the subtratel??? - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 12 Old 12-14-2008, 02:51 PM Thread Starter
Yellow color in the subtratel???

There is a yellow discoloration in my subtrate. It's only on one side of the tank. The said closest to the window. So I am guessing it is algae. I haven't rushed to clean it out because I figured it could also be something good/beneficial and that cleaning it out may cause an imbalance in the water. Anybody got any ideas of what it could be?
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post #2 of 12 Old 12-14-2008, 04:49 PM
Kim
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Is it a light brown? Could be brown algae. If it's algae, and it's only in a small section, cleaning it may be a good thing. Probably don't take it out of the tank, but if you can give it a scrub with a tooth brush, or just take out a few top rocks and scrub it that would work. Then, I would try and eliminate the sunlight (possible put a background on the side). Algae is not bad for your fish, but it can take over your tank and be a pain to clean. Getting rid of it now is probably the best option.

20 gallon long: 3 adult Neolamprologus similis + about 11 fry of various ages; low light planted tank
20 gallon long:2 freshwater dwarf puffers (Puff Puff and Poofer); medium-light planted tank
10 gallon: 1 male betta named Wormy; low light planted tank
10 gallon: 1 male betta named Dante; low light planted tank
2, 5.5 gallon tanks that are currently empty (I see more fish on the horizon )
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post #3 of 12 Old 12-14-2008, 11:25 PM
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i agree on blocking out the sunlight, maybe use a blind. direct sunlight to the tank will just rapidly grow algae.
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post #4 of 12 Old 12-15-2008, 09:22 AM
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If you can then a background on that side of the tank would do the trick. Something thick enough to block the light out.

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post #5 of 12 Old 12-15-2008, 10:09 AM
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Another thing to consider are dead spots. By that i mean areas in the tank where there is little water movement.This can and does allow detrius,decaying organics etc. to collect in one spot due to lack of water movement in that area. A small airstone could help in this regard.

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post #6 of 12 Old 12-15-2008, 12:11 PM Thread Starter
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Originally Posted by Kim View Post
Is it a light brown? Could be brown algae. If it's algae, and it's only in a small section, cleaning it may be a good thing. Probably don't take it out of the tank, but if you can give it a scrub with a tooth brush, or just take out a few top rocks and scrub it that would work. Then, I would try and eliminate the sunlight (possible put a background on the side). Algae is not bad for your fish, but it can take over your tank and be a pain to clean. Getting rid of it now is probably the best option.
yea. it is like a yellowish brown. that window is the only source of light in the room. I rarely even use the aquarium light because I think it'll throw the fish off their normal schedule. I mean, how would I feel if God just decided to raise the sun at 9 O' Clock at night? So, I don't want to cheat them from the little bit of light they get as it is. Thanks. I'll clean it out in a week or so. I just added like six fish to my tank. I dont want to throw off the embalance by cleaning it out, if that is even possible.
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post #7 of 12 Old 12-15-2008, 12:14 PM Thread Starter
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Originally Posted by 1077 View Post
Another thing to consider are dead spots. By that i mean areas in the tank where there is little water movement.This can and does allow detrius,decaying organics etc. to collect in one spot due to lack of water movement in that area. A small airstone could help in this regard.
thanks, and that reminds me. the fish all seem to congregate on one side of the tank. the side that is away from the window and the yellowish substance. I wonder why? Like the entire right side of my tank will be full of fish, and the left side will be nothing.
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post #8 of 12 Old 12-15-2008, 12:20 PM
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Actually the fish will adjust to a different light schedule quickly. My tank lights don't come on till 10 in the morning and don't go off till 10 or so at night.

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post #9 of 12 Old 12-15-2008, 02:10 PM
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What kind of fish do you have? Different fish have differing preferences for light levels, so it could be that your fish are just staying out of the bright sunlight.

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post #10 of 12 Old 12-15-2008, 04:25 PM Thread Starter
I have 6 harlequins, 6 cherry barbs, 2 blue gouramies, and 1 pleco. Like I said, I barely ever use the aquarium light. I just used it over the weekend because one of my harlequins disappeared.I was searching the tank for it, but no luck. I had 8. One died. The other disappeared. LOL. Probably for sucked up while i was cleaning the tank.
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