Grow out jars - The Planted Tank Forum
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post #1 of 18 (permalink) Old 10-06-2012, 09:24 PM Thread Starter
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Grow out jars

I'm thinking of placing some Taiwan and/or java moss in a small jar and placing it by the window. Does anyone have experience with grow out jars?

Do I leave a lid on it?
How often should I change the water?
Should I fert it?

-Calvin
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post #2 of 18 (permalink) Old 10-06-2012, 09:27 PM
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There was a thread on that recently, they place a little in a jar and kept it in the widowsill with no lid for about 4 months and the growth was amazing. I don't think any ferts at all were used and minimal water changes, I think it was more just top offs.

Think I am going to try it myself.

Rod
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post #3 of 18 (permalink) Old 10-06-2012, 09:38 PM
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If you want to be able to transition it easily to your tanks, it's best to keep the water parameters within a reasonable shouting distance.

Simplest way I've found to do that, as well as provide needed nutrients for growth and provide some stirring of the contents, is to pour off 25-50% each week and replace it with water from my established tanks' water changes. Any dead or decaying material has a chance to be poured off and it dilutes the concentrating affect you get from evaporation. Top offs are done with tank water as well.
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post #4 of 18 (permalink) Old 10-06-2012, 09:51 PM Thread Starter
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Seems simple enough. Will be pouring out a quarter a week and keeping the lid off. Thanks guys!

-Calvin
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post #5 of 18 (permalink) Old 10-06-2012, 09:56 PM
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I was thinking the same thing on the tank water, that should work well.

Rod
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post #6 of 18 (permalink) Old 10-06-2012, 09:57 PM Thread Starter
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Quote:
Originally Posted by rodcuda View Post
I was thinking the same thing on the tank water, that should work well.
Yep, I'm going to definitely use tank water to avoid overdosing on ferts

-Calvin
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post #7 of 18 (permalink) Old 10-06-2012, 10:02 PM
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Yup. I sold some flame moss to aokashi during the September swap meet that was grown in a jar on my windowsill. Grow it without the lid, squirt some ferts maybe once a week, and do top offs when necessary. Completely change the water every 2-3 weeks and avoid using tank water if you have algae problems.

I have a bunch of half-gallon pickle jars. Maybe I should buy a few golfballs of different mosses and grow them out.

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post #8 of 18 (permalink) Old 10-06-2012, 10:38 PM
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I need a lot of moss and going to put the little of what I have in a blender tonight with a little ferts and agar. I'll put the slurry in plastic cups and next to lights.


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post #9 of 18 (permalink) Old 10-06-2012, 10:48 PM
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I just did it myself. I had some 'dead' moss I pulled out of my tank. I'm not sure if its 100% dead or not so I put it in a jar, in my window with some water from my established tank. I put a cap full of Flourish in there, and let it be. It's only been 2 days so I don't know on the outcome yet. It may not even come back. It might just be dead.
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post #10 of 18 (permalink) Old 10-06-2012, 11:19 PM
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That's pretty much how I quarantine all incoming plants. I use a litter box since I've got a spare (it has a really nice surface area to volume ratio). When I get really excited, I put in an airstone and add fertilizer. It also serves as my snail oubliette - they get fat off any plants that don't survive the transition, and I don't feel bad about kicking them out of my tanks.
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post #11 of 18 (permalink) Old 10-07-2012, 12:30 AM
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Quote:
Originally Posted by Ljk09 View Post
I just did it myself. I had some 'dead' moss I pulled out of my tank. I'm not sure if its 100% dead or not so I put it in a jar, in my window with some water from my established tank. I put a cap full of Flourish in there, and let it be. It's only been 2 days so I don't know on the outcome yet. It may not even come back. It might just be dead.
Isn't one capful for 60 gallons? your jar is going to turn into green water really quick.
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post #12 of 18 (permalink) Old 10-07-2012, 12:49 AM
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Isn't one capful for 60 gallons? your jar is going to turn into green water really quick.
Actually it's for 50 I think. And I over exaggerated. Not exactly a capful.
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post #13 of 18 (permalink) Old 10-07-2012, 12:52 AM
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I need a lot of moss and going to put the little of what I have in a blender tonight with a little ferts and agar. I'll put the slurry in plastic cups and next to lights.
Can you share how you cook up that growth medium with agar, sounds like a great idea, possibly some PGRs will help here as well


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post #14 of 18 (permalink) Old 10-07-2012, 01:56 AM
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Can you share how you cook up that growth medium with agar, sounds like a great idea, possibly some PGRs will help here as well
My only worry is mold and stuff. I think I can cover it with a little water to help and keep things moist. I don't think plant hormones are necessary. Moss is easy mass produced like this.


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post #15 of 18 (permalink) Old 10-07-2012, 02:03 AM
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I do them emergent with the same ratio of water to dirt. Capped for humidity with a hole in the lid.

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