Bubbles Coming Out Of The Substrate?

BakedBrotatoes

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Hello,

My little 5 month old 2.5 Gallon tank has very small bubbles coming out of the substrate. What does that usually mean? Does it mean I have algae growing in the substrate? I don't smell anything crazy from the tank.

Water Parameters:
pH 7.6
Ammonia 0ppm
Nitrite 0ppm
Nitrate 5.00ppm
GH 214.8+
KH 8 dkH
 

kallililly1973

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Most likely just areas of your substrate that has settled making the bubbles come up... if you have a skewer or a stick you can stir it around a bit to get more of the substrate to settle. What are you using sand?
 

Zka17

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That could mean 2 things: one bad and one neutral... The bad is that some toxic anaerobic gas is forming - but that would have foul smell. The good is that there can be air trapped in and it is getting released. Either way, stirring the substrate when doing water changes will stop the bubbling.

One other possibility, if you see it right after the water changes, is that you introduced air while pouring the water in - that is harmless as well.
 
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BakedBrotatoes

BakedBrotatoes

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kallililly1973 said:
Most likely just areas of your substrate that has settled making the bubbles come up... if you have a skewer or a stick you can stir it around a bit to get more of the substrate to settle. What are you using sand?
I am using the normal sized ultum substrate. I'll go ahead and try stirring things around, I got worried that I'm growing algae in the substrate if that even makes any sense o_O
 
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BakedBrotatoes

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Zka17 said:
That could mean 2 things: one bad and one neutral... The bad is that some toxic anaerobic gas is forming - but that would have foul smell. The good is that there can be air trapped in and it is getting released. Either way, stirring the substrate when doing water changes will stop the bubbling.

One other possibility, if you see it right after the water changes, is that you introduced air while pouring the water in - that is harmless as well.
Definitely no foul smell, I've been sniffing around (my co-workers think I'm weird now after seeing me sniff it) but none so far.

Would carpet plants might be causing it too? I just noticed some of them have crawled under the substrate.
 

Zka17

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Plants can "pearl" when they are the happiest. But you have mentioned that the bubbles are coming from the substrate... Specially high light/CO2 systems will produce the pearling carpet look...

Do you have a picture of your tank?
 
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BakedBrotatoes

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Zka17 said:
Plants can "pearl" when they are the happiest. But you have mentioned that the bubbles are coming from the substrate... Specially high light/CO2 systems will produce the pearling carpet look...

Do you have a picture of your tank?
Ooh no not at the moment, I've switched from high light to low light now since I was growing algea.
Oddly enough, since I switched light source the bubbles have also stopped.
 

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