depth of PowerSand etc - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 02-23-2008, 07:54 PM Thread Starter
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depth of PowerSand etc

Can someone advise what the depth of powersand should be under AquaSoil?
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post #2 of 6 (permalink) Old 02-23-2008, 09:15 PM
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I didn't even use the sand when I put my AS in, but they give some general guidelines here
http://www.adgshop.com/ProductDetail...Show=TechSpecs
HTH

Mike


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post #3 of 6 (permalink) Old 02-23-2008, 09:56 PM
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IMO none-it is really not needed and no one can proove that it helps.
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post #4 of 6 (permalink) Old 03-10-2008, 02:47 PM
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from experience powersand doesnt need to form a thick layer at the bottom. a layer thats just about half a centimeter thick will be sufficient. however if your the type who likes to rescape every once in awhile (like me), i wouldnt recommend powersand. its stirs up very easily, and unlike other types of undergravel supplement which are like sand. the pumice rocks in AS will not sink back to the bottom over time, making your substrate look a little weird.

but if its your first time using powersand. i recommened you give it a try, as it really does improve the growth of the plants.

HTH
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post #5 of 6 (permalink) Old 03-10-2008, 02:52 PM
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I've done test using/not using PS and using ADA AS.

I used 8 small tanks, I could not see a difference after 8 months.
I suppose if you do not dose anything to the water column, it might help.

But whether you add it to the sediment or and the water column, as long as it's there, everything is fine.

But, this implies it's NOT needed and is a lot more than a month or 2 worth of KNO3/KH2PO4.

After that, it's not more than pumice that mixes and looks ugly.
NO3 is what's mostly in it. And NO3 is extremely mobile meaning it's going to slowly leach. So you may as well add KNO3, little by little for 50 cents and then by pass the addition altogether.

Regards,
Tom Barr




Regards,
Tom Barr
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post #6 of 6 (permalink) Old 03-10-2008, 02:57 PM
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Quote:
Originally Posted by neilfishguy View Post
IMO none-it is really not needed and no one can proove that it helps.
While i may not have the experience like that of tom

I've used aquasoil with and without powersand. and i'm very sure that the powersand does provide an additional boost to plant growth. especially during the early stages.

I won't be able to tell you what its like close to a year, because i rescaped it after 10 months. After rescaping things did slow down, and my substrate was already mixed up from all the up rooting.

But once everything's settled, the plants took off once again. might be powersand, might be aquasoil. i can't tell for sure.
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