Containing Osmocote - The Planted Tank Forum

 
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post #1 of 6 (permalink) Old 03-12-2013, 02:54 AM Thread Starter
Q07
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Containing Osmocote

So I was thinking about about starting to use osmocote plus under my pool filter sand substrate. I was curious if anybody had contained the osmocote in some way to keep the separate granules from coming to the surface if the substrate is disturbed.

Having worked in a lab in the past I came up with this idea... Drill some holes in a 1.5mL microcentrifuge tube (pictured below), fill with osmocote, and push into the substrate. I figure the tube would be easy to spot if it gets uprooted, can be reused every few months, and I wouldn't be pushing down or siphoning up stray granules of osmocote. Any thoughts?


Last edited by Q07; 03-12-2013 at 03:16 AM. Reason: deleted line
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post #2 of 6 (permalink) Old 03-12-2013, 03:02 AM
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Most people put Osmocote+ in a clear gelatin "000" capsule. They are already contained. Simply push into substrate.

Lot of people selling them on eBay. You could also probably find some members here offering them from time to time.

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post #3 of 6 (permalink) Old 03-12-2013, 03:22 AM Thread Starter
Q07
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Quote:
Originally Posted by Dx3Bash View Post
Most people put Osmocote+ in a clear gelatin "000" capsule. They are already contained. Simply push into substrate.

Lot of people selling them on eBay. You could also probably find some members here offering them from time to time.
I was more concerned with containing them once they are in the substrate for rescaping or uprooting plants. Gelatin dissolves so it doesn't help with this problem. I was just going to freeze the granules in ice cubes, but then thought of trying this.
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post #4 of 6 (permalink) Old 03-12-2013, 03:31 AM
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That's not a bad idea actually! I would also think putting the little balls in something like a nylon sack made out of a material like women's stockings might work too. Those pellets are a genuine PITA aren't they?
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post #5 of 6 (permalink) Old 03-12-2013, 07:15 AM
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Tulle from the craft store might be just fine enough to contain the Osmocote:



Or cut open a plastic fertilizer spike, dump out the existing pellets and refill with Osmocote, then seal with hot glue:

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post #6 of 6 (permalink) Old 03-12-2013, 02:01 PM
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Quote:
Originally Posted by Q07 View Post
I was more concerned with containing them once they are in the substrate for rescaping or uprooting plants. Gelatin dissolves so it doesn't help with this problem. I was just going to freeze the granules in ice cubes, but then thought of trying
Whatever you try, please do update so others know of any success.

Last edited by Tetrameck; 03-12-2013 at 02:04 PM. Reason: Typo
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