Questions...that need to be answered.

kuay5 · 13-11-2005, 02:29 PM

1. Theres pockets of bubbles\air\gas forming in my sandbed, in the front area near the glass. What is that?

2. Why my domino damsel become white colour? Its not full grown yet..

13-11-2005, 03:02 PM

Those are most probably oxygen bubbles from algae growing in your sandbed

**KaLiB** · 13-11-2005, 03:02 PM

1. Those are probably bubbles of nitrogen.

13-11-2005, 03:41 PM

I kind of doubt so bro Kalib
Since the front glass is exposed to light, many types of algae will grow there (even more so if you have a really deep sandbed)
Nitrogen bubbles are more commonly seen around the centre of the sandbed

**KaLiB** · 13-11-2005, 08:22 PM

I see, you could be right. I'm not too sure myself either, i'm just quoting what i learnt while reading up so just sharing what i learnt so far.

13-11-2005, 08:27 PM

Yeah everyone learns new things now

kuay5 · 13-11-2005, 08:37 PM

Sometimes i use something to disturb the sand to release them..but they form pretty fast. Hope its not poisonous to my fishies.

btw...algae release oxygen?

13-11-2005, 09:01 PM

Yes they do when they photosynthesize

**KaLiB** · 13-11-2005, 11:14 PM

Try not to stir the sand if you have a DSB, you could disturb the anaerobic zones which could cause the anaerobic bacteria to die and may release hydrogen sulphide trapped in the sandbed also.

14-11-2005, 12:45 PM

Actually the bacteria that we want to focus on are facultative which means that they can live with or without oxygen.
Hydrogen sulphide are not produced in large amounts in DSBs as opposed to the common misconception. The black stuff you might see are just iron sulphide
I have posted my 3 articles on sandbeds in the article forum and it's quite a good read IMO

13-11-2005, 02:29 PM	#1
kuay5 Dragon Join Date: Jul 2003 Posts: 2,753	Questions...that need to be answered. 1. Theres pockets of bubbles\air\gas forming in my sandbed, in the front area near the glass. What is that? 2. Why my domino damsel become white colour? Its not full grown yet..

13-11-2005, 03:02 PM	#3
KaLiB Moderator Join Date: Jun 2002 Posts: 3,635	1. Those are probably bubbles of nitrogen. __________________ A fishtank is just like your computer. When your tank crash(OS crash), its time to cleanup(reformat hard drive) and setup(install OS) again and add new livestock(re-install software).

13-11-2005, 08:22 PM	#5
KaLiB Moderator Join Date: Jun 2002 Posts: 3,635	I see, you could be right. I'm not too sure myself either, i'm just quoting what i learnt while reading up so just sharing what i learnt so far. __________________ A fishtank is just like your computer. When your tank crash(OS crash), its time to cleanup(reformat hard drive) and setup(install OS) again and add new livestock(re-install software).

13-11-2005, 11:14 PM	#9
KaLiB Moderator Join Date: Jun 2002 Posts: 3,635	Try not to stir the sand if you have a DSB, you could disturb the anaerobic zones which could cause the anaerobic bacteria to die and may release hydrogen sulphide trapped in the sandbed also. __________________ A fishtank is just like your computer. When your tank crash(OS crash), its time to cleanup(reformat hard drive) and setup(install OS) again and add new livestock(re-install software).

13-11-2005, 03:02 PM	#2
blueheaven Guest Posts: n/a	Those are most probably oxygen bubbles from algae growing in your sandbed

13-11-2005, 03:41 PM	#4
blueheaven Guest Posts: n/a	I kind of doubt so bro Kalib Since the front glass is exposed to light, many types of algae will grow there (even more so if you have a really deep sandbed) Nitrogen bubbles are more commonly seen around the centre of the sandbed

13-11-2005, 08:27 PM	#6
blueheaven Guest Posts: n/a	Yeah everyone learns new things now

13-11-2005, 08:37 PM	#7
kuay5 Dragon Join Date: Jul 2003 Posts: 2,753	Sometimes i use something to disturb the sand to release them..but they form pretty fast. Hope its not poisonous to my fishies. btw...algae release oxygen?

13-11-2005, 09:01 PM	#8
blueheaven Guest Posts: n/a	Yes they do when they photosynthesize

14-11-2005, 12:45 PM	#10
blueheaven Guest Posts: n/a	Actually the bacteria that we want to focus on are facultative which means that they can live with or without oxygen. Hydrogen sulphide are not produced in large amounts in DSBs as opposed to the common misconception. The black stuff you might see are just iron sulphide I have posted my 3 articles on sandbeds in the article forum and it's quite a good read IMO

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