Rock Wool - The Planted Tank Forum
 
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post #1 of 7 (permalink) Old 07-19-2010, 02:23 AM Thread Starter
JWA
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Rock Wool

Is it necessary to remove the Rock Wool from potted plants before planting? Thanks
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post #2 of 7 (permalink) Old 07-19-2010, 02:31 AM
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I remove it. I figure I went to all that trouble to set up a nice substrate for the plant, so that's where it belongs.
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post #3 of 7 (permalink) Old 07-19-2010, 02:38 AM
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its not necessary but it'll come back to haunt you at some point. i shouldnt say haunt. its not that bad. its just annoying
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post #4 of 7 (permalink) Old 07-19-2010, 02:45 AM
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I remove it, I find that especially with dwarf hairgrass, vals, and carpet plants that they'll tend to spread really slowly away from the rockwool. Which is bad if you want a carpet.

If you don't remove the rockwool it can take months for dwarf hairgrass to spread into a carpet. I removed the rockwool and it spread to fill gaps within 2 weeks.

I've also heard it can rot and foul your water, but that's bogus, since it's non nutritive. I think what happens is it's a perfect breeding ground for bacteria, and your roots supply the food for the bacteria. Potentially a terrible situation, but I've had little trouble with that in the past.

I'm just curious, but why would you want to leave the rockwool on? Just out of laziness? You shouldn't be afraid of tearing roots or anything, because most of the time plants in rockwool are rootbound already and need a trim.

Anyways, I hope this helps.

-- liam
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post #5 of 7 (permalink) Old 07-19-2010, 02:53 AM
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As many people have already mentioned, the best thing to do is to remove the rockwool before planting.

Anthony


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post #6 of 7 (permalink) Old 07-19-2010, 03:16 PM
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If the stuff should manage to get to your filter impeller, it could be more than just annoying.

I get as much out as possible.





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post #7 of 7 (permalink) Old 07-20-2010, 02:20 PM
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i leave it on when i plant hc makes a great anchor for their lack of roots, granted you want to remove most of it when planting but i always leave a bit on it to help it stay


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