Speed of HC growth in substrate with large granules vs small - The Planted Tank Forum
 
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post #1 of 9 (permalink) Old 10-03-2012, 12:03 AM Thread Starter
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Speed of HC growth in substrate with large granules vs small

Hey guys, I am wondering if the size of the granules of the substrate (example Amazonia normal vs powder type) would affect the speed of carpet plants like HC and hairgrass spreading? I would think that if the granules were too large the plant would have a harder time rooting and spreading since it needs to travel a longer distance in between each root. The size of the Amazonia normal I would say is approximately 3-4 times the size of a piece of powder type, so I would think it would make quite a difference , do you guys know anything on this?
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post #2 of 9 (permalink) Old 10-03-2012, 12:11 AM
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It seems to grow better in powder type, IME.
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post #3 of 9 (permalink) Old 10-03-2012, 12:31 AM
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I have heard of people using about 75% or more larger (well, regular size) and then topping it with 25% powder.
So if the total depth is 2", use 1.5" of the regular stuff and .5" of the powder.
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post #4 of 9 (permalink) Old 10-03-2012, 12:48 AM
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Hc had small delicate roots it likes finer granule substrate better, mines growing in flourite pretty decently havnt had any uprooting issues yet and it spreads out just fine.
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post #5 of 9 (permalink) Old 10-03-2012, 01:41 AM
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Quote:
Originally Posted by Diana View Post
I have heard of people using about 75% or more larger (well, regular size) and then topping it with 25% powder.
So if the total depth is 2", use 1.5" of the regular stuff and .5" of the powder.
I use this with very good results on all plants.
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post #6 of 9 (permalink) Old 10-03-2012, 02:25 AM
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Won't the sand settle below after some time?
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post #7 of 9 (permalink) Old 10-03-2012, 06:15 AM
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I have HC and DHG growing in ecocomplete with dirt underneath. It spread very fast and continues to grow like crazy. I trim my hc every week and my DHG is completely full.
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post #8 of 9 (permalink) Old 10-03-2012, 07:20 AM
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how about the lighting needs of HC and hair grass?
I thought I had done my homework and got an LED 65K marineland light, is this going to be enough? it surely seems bright!
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post #9 of 9 (permalink) Old 10-03-2012, 05:53 PM
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IMO hc is not the highest light demanding plant. I used to have alot of duckweed and it still grew fast. DHG seems too look best under higher light though. Not sure on that light unfortunately.
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