hydrogen sulfide? - The Planted Tank Forum
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post #1 of 7 (permalink) Old 06-13-2018, 06:56 AM Thread Starter
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hydrogen sulfide?

Lately there's been a buildup of gas in my 5.5's gravel-capped dirt substrate. Based on the smell, it's probably hydrogen sulfide. So...

1) I know poking the substrate will release the gas, but should I do water changes while doing so? Will this gas mess up my water chemistry?

2) will this stuff hurt my plants? I don't have anything living in there right now besides MTS's.
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post #2 of 7 (permalink) Old 06-13-2018, 07:43 AM
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Just following purely out of interest what the responses will be.

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post #3 of 7 (permalink) Old 06-13-2018, 05:02 PM
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I have a 120 gallon dirted tank and I get a fair amount of hydrogen sulfide bubbles. So far I have not observed any negative affects from the bubbles. What I do is right before a water change Iíll poke the substrate and then start the water change. Honestly it should not affect your water chemistry because most of the gas is released into the air above your tank rather than it being dissolved in your water.


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post #4 of 7 (permalink) Old 06-13-2018, 05:10 PM
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Have you considered MTS to keep the substrate aerated?

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post #5 of 7 (permalink) Old 06-13-2018, 10:24 PM
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The gas will most likely cause more trouble in the substrate than on its way up to the water surface


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post #6 of 7 (permalink) Old 06-14-2018, 01:22 AM Thread Starter
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Quote:
Originally Posted by MasterofCloak View Post
I have a 120 gallon dirted tank and I get a fair amount of hydrogen sulfide bubbles. So far I have not observed any negative affects from the bubbles. What I do is right before a water change Iíll poke the substrate and then start the water change. Honestly it should not affect your water chemistry because most of the gas is released into the air above your tank rather than it being dissolved in your water.


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Okay, good to know. I've tried doing my own research into this, but there's a lot of conflicting information out there. I read somewhere that the gas pockets will damage plant roots, is that true?

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Have you considered MTS to keep the substrate aerated?
Doing that right now, actually. I have a bunch of them in my two other tanks to burrow in the sand. I've put at least three in there so far... the largest one doesn't seem to go underneath the gravel very much though.

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The gas will most likely cause more trouble in the substrate than on its way up to the water surface


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What sort of trouble, exactly?
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post #7 of 7 (permalink) Old 06-14-2018, 08:29 AM
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Originally Posted by BlackOsprey View Post
Okay, good to know. I've tried doing my own research into this, but there's a lot of conflicting information out there. I read somewhere that the gas pockets will damage plant roots, is that true?





Doing that right now, actually. I have a bunch of them in my two other tanks to burrow in the sand. I've put at least three in there so far... the largest one doesn't seem to go underneath the gravel very much though.





What sort of trouble, exactly?


Itís poisnous and partially soluble in water... however it is more dangerous if the gas escapes the substrate and sits between the water surface and a cover over the tank.


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