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post #1 of 13 (permalink) Old 12-10-2003, 07:01 PM Thread Starter
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This may be a Newbie question.

(tank params)
29g, 55W power compact 11hrs a day, a Hagen co2, a diy co2,
Temp 80, ph 6.7, gh 2.5-3.0 Ammonia 0, nitrite 0, nitrate varies
2.5 flourish excel tabs. 2 phosphate tabs.
Weekly trace fertilizer addition (maybe overkill)



My question is, after I added the second co2 cannister (diy) and decreased a little surface agitation, my plants, I believe, started to pearl.

However, on some of my plants, I noticed a trail of tiny tiny bubbles shooting up to the waters surface. They do this all day long.

Is this normal o2 production? Is this a warning sign?


My plants already seem greener and healthier, I just didn't know if this was good or bad.

Hit me back when you get a chance.

Thanks,

FG
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post #2 of 13 (permalink) Old 12-10-2003, 07:10 PM Thread Starter
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btw

the bubbles are coming straight from the plant leaves, not the substrate.
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post #3 of 13 (permalink) Old 12-10-2003, 07:34 PM
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that is perfectly normal and a very good sign, its simply the fact that the o2 that your plants are generating is more than the water can absorb so its being seen as visible bubbles. Plants breath just like you and me so the fact that its always happening is the same as you or me breathing in or out all day long.


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post #4 of 13 (permalink) Old 12-10-2003, 07:49 PM Thread Starter
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Awesome!

I've been tinkering with my co2 levels that I wasn't sure if I did something wrong
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post #5 of 13 (permalink) Old 12-10-2003, 11:16 PM
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Actually a continuous stream of bubbles is known as streaming rather than pearling and represents microtrauma to the plants' tissues that cause in interruption in intravascular gas transport. It's nothing to be concerned about, though, unless the leaf or stem is visibly damaged.
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post #6 of 13 (permalink) Old 12-11-2003, 07:41 AM
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I concur with my learned friends, it is all normal.

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post #7 of 13 (permalink) Old 12-11-2003, 04:03 PM Thread Starter
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Nothing is damaged on the plants. I have a scrubby sword that does it on some of the fading leaves.

Microtrauma? Nothing do be concerned about right? So this is just small damage to plant tissue?

Thanks for the feedback. I never knew that.

My aponogeton, however is pearling, with one streaming.


Currently, there are three streams. One from a nasty amazon sword leaf.

One from a gorgeous aponogeton leaf, and another on a gorgeous pennywort pad.

Should I snip the sword leaf that's doing it. It's not an awful leaf, the whole plant is just struggling. I added a phosphate tab as recommended by my friend. We'll see what happens.
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post #8 of 13 (permalink) Old 12-11-2003, 06:16 PM
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yea i noticed where my plants are damaged or straight from the bottom of the stem before i plant...they will stream like that... pearling is different..it's easily noticeable with riccia.

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post #9 of 13 (permalink) Old 12-11-2003, 07:10 PM Thread Starter
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Yeah, I've seen some pearling on my Aponogeton. The entire leaves look covered with tiny bubbles. I also saw the pictures from momtaro




Awesome.
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post #10 of 13 (permalink) Old 12-11-2003, 07:11 PM
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it truly is...and it's so easy to get them to pearl it's ridiculous....

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post #11 of 13 (permalink) Old 12-11-2003, 09:27 PM
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2la is right, a steady stream of bubbles, almost a snake like appearance, is due to damage to the cell walls in the plant. a hold the size of a pinpoint is enough to allow O2 to stream out. The plant usually repairs itself in a few days. So yes its normal for that to happen, as long as there's no so many it looks like a jacuzzi
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post #12 of 13 (permalink) Old 12-11-2003, 09:33 PM
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good point malkore

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post #13 of 13 (permalink) Old 12-12-2003, 01:26 PM Thread Starter
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No Jacuzzi yet.

Just looks like one of the plants' leaves is taking a smoke break.
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