Incredible pearling! - The Planted Tank Forum
 
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post #1 of 15 (permalink) Old 10-18-2010, 01:21 AM Thread Starter
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Incredible pearling!

Im confused if this is pearling or not...

but it happens occasionaly that small bubbles are released from some plants in a small line...

after large water changes though... every plant in my tank will be covered with bubbles a hour or so after the change... currently EVERYTHING is covered in bubbles...

is it pearling or some other thing?

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post #2 of 15 (permalink) Old 10-18-2010, 01:30 AM
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The first one is a type of pearling called 'streaming.' The second is typically referred to as 'false pearling' and happens because there is a lot of gases in water from the tap.

Without Algae, death of mankind would be inevitable.

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post #3 of 15 (permalink) Old 10-18-2010, 01:35 AM Thread Starter
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is streaming as awesome as the regular large bubble pearling?
or is it just ok?

does it mean im doing a good job?

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post #4 of 15 (permalink) Old 10-18-2010, 01:41 AM
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The bubbles in a line can also be coming from damaged plant tissue, such as a pinhole in a leaf, or the end of a stem where you trimmed it.

Normally, you won't see true pearling without good CO2 injection. Plants don't have to be pearling to be healthy and growing, and pearling doesn't mean that they are.
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post #5 of 15 (permalink) Old 10-18-2010, 01:41 AM
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It means the plant has been I injured. It happens when you cut a plant, a stem or leaf gets torn, etc.

It's gas escaping from the plant... Sort of like bleeding but not really...


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post #6 of 15 (permalink) Old 10-18-2010, 01:42 AM
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If the line of bubbles is being release in a straight continuous stream to the surface, it indicates that there's an injury on the plant in that spot.

ETA: 3 posts saying the exact same thing at the same time. Yikes!


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post #7 of 15 (permalink) Old 10-18-2010, 01:44 AM
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Too many ninjas!!!

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post #8 of 15 (permalink) Old 10-18-2010, 01:47 AM
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I always get a stream of bubbles coming from the flower of my anubias. So its not always because of a damaged plant.
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post #9 of 15 (permalink) Old 10-18-2010, 03:05 AM Thread Starter
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thanks for the info guys and gals! and ninjas apparently...

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post #10 of 15 (permalink) Old 10-18-2010, 03:23 AM
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I've got another pearling question for you guys.....I've got a small tank I've been running at room temp for a few weeks. A few days ago I put a heater in there and the plants started 'pearling' like crazy..I'm guessing this was not real pearling.


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post #11 of 15 (permalink) Old 10-18-2010, 03:38 AM
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Quote:
A few days ago I put a heater in there and the plants started 'pearling' like crazy

Was it over 200F? It may have been the water boiling!

I may be wrong, but I believe warmer water can hold less dissolved gasses. Dissolved gas may have been forced out of solution if the temperature increase was fast.
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post #12 of 15 (permalink) Old 10-19-2010, 10:52 AM
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Pearling occurs when the water is saturated with O2, but a true pearling appears not when you change some water in the tank, see here about this phenomen http://freshwater-aquarium-passion.b...h/label/Plants


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post #13 of 15 (permalink) Old 10-19-2010, 03:35 PM
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In the heater case, Your plants are probelly pearling because the warmed water can not hold as much o2 as colder water. Thus o2 is defusing with the water and being released.... But if your plants arent damaged and their are little bubbles that form and group together on the underside of the leave this is pure o2 from your hard work. good job!! lol.... Unless you just did a water change
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post #14 of 15 (permalink) Old 10-19-2010, 03:44 PM
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Quote:
Originally Posted by BaltimoreGuy View Post
I always get a stream of bubbles coming from the flower of my anubias. So its not always because of a damaged plant.
Same here, my sword will put out a constant stream of bubbles at the same time everyday for 4-6 hours. However, when I trim it the bubbles coming out of the cut area are literally 400-500 times the size of the micro bubbles.

The way to find out quickly is to check and see if the bubbles are coming out of the leaves or out of a spot in the stem of the plant.
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post #15 of 15 (permalink) Old 10-19-2010, 09:50 PM
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Quote:
Originally Posted by g33tar View Post
I've got another pearling question for you guys.....I've got a small tank I've been running at room temp for a few weeks. A few days ago I put a heater in there and the plants started 'pearling' like crazy..I'm guessing this was not real pearling.
The solubility of gases in water decreases with increasing temperature. So, instead of the O2 produced being dissolved in the water, it will pearl and escape because your water has reached the maximum it can hold in dissolved form.
Maybe? lol
I know when working with the keggerator, a few degrees difference could mean nice beer or head filled glass
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