How many bags of PFS (aquaquartz) will I need for 75g? - The Planted Tank Forum
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post #1 of 22 (permalink) Old 05-12-2015, 01:16 AM Thread Starter
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How many bags of PFS (aquaquartz) will I need for 75g?

I am doing a full rescape and want to switch to pfs. I found this stuff at Canadian tire. $10 for 20lbs. How many bags will I need? I would rather have extra than not enough.

I will be sloping front to back a bit. Maybe 1-2 inch difference, not sure yet. Maybe 2-3 inches in front to 4-5 in back. I will have loads of Malaysian trumpet snails.

Is this the stuff most people use? Same brand?

http://reviews.canadiantire.ca/9045/...ws/reviews.htm

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post #2 of 22 (permalink) Old 05-12-2015, 01:19 AM Thread Starter
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If anyone is using this stuff can you post a pic of your tank?

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post #3 of 22 (permalink) Old 05-12-2015, 10:21 AM Thread Starter
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Anyone?

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post #4 of 22 (permalink) Old 05-12-2015, 11:07 AM
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I did a quick search on the density of pool filter sand, roughly 100 lbs per cubic foot. Black diamond blasting sand is about 96 lbs per cubic foot. I bought 150 lbs of black diamond, but will likely have extra. I would say 150 lbs would be a good start. You have 6 square feet of area. So you should get a 2" cap with 100 lbs of sand. Then you need the slope which would probably be another 50 lbs to get 4-5" in the back.

Start with 7 bags? That is my guess. Of course I bought 3 50lb bags of black diamond for $7 each. Seems pricey in Canada.


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post #5 of 22 (permalink) Old 05-12-2015, 11:10 AM Thread Starter
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Originally I wanted to go black diamond route but I can't fond that stuff here. And caribsea Tahitian moon sand is too pricey.

Gotta call some actually pool supply stores to see what their prices are.

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post #6 of 22 (permalink) Old 05-12-2015, 11:10 AM
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google says quartz sand density is 1200 kg/m^3. the rest is 3rd grade calculs
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post #7 of 22 (permalink) Old 05-12-2015, 11:11 AM Thread Starter
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Thanks for the density guys. Appreciate it.

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post #8 of 22 (permalink) Old 05-12-2015, 12:43 PM
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I usually use 100 lbs per cubic foot for most sands and gravels. (makes the math easy) Not too far off, and if the calcs come close get another bag.
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post #9 of 22 (permalink) Old 05-12-2015, 01:02 PM
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How about black magic? I think that is the Canadian equivalent. You can search for black blasting grit, coal slag, etc and see if you can find any.


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post #10 of 22 (permalink) Old 05-12-2015, 01:05 PM Thread Starter
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Tried all of the above and nothing. I am fine with going with pfs. After seeing some pics I think it will work out nicely for the look I want to achieve

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post #11 of 22 (permalink) Old 05-12-2015, 01:05 PM
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Quote:
Originally Posted by philipraposo1982 View Post
I am doing a full rescape and want to switch to pfs. I found this stuff at Canadian tire. $10 for 20lbs. How many bags will I need? I would rather have extra than not enough.

I will be sloping front to back a bit. Maybe 1-2 inch difference, not sure yet. Maybe 2-3 inches in front to 4-5 in back. I will have loads of Malaysian trumpet snails.

Is this the stuff most people use? Same brand?

http://reviews.canadiantire.ca/9045/...ws/reviews.htm
Two lbs.per gallon will give approx three inches of depth.
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post #12 of 22 (permalink) Old 05-12-2015, 01:19 PM
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Quote:
Originally Posted by philipraposo1982 View Post
Tried all of the above and nothing. I am fine with going with pfs. After seeing some pics I think it will work out nicely for the look I want to achieve

Understandable. I'd say 140-160 lbs (7-8 bags) would be a good starting point.


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post #13 of 22 (permalink) Old 05-12-2015, 01:36 PM
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50lb gave me a 2" front sloping to about a 4" back in a 46g bow if that's any help
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post #14 of 22 (permalink) Old 05-12-2015, 02:01 PM
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http://www.substratesource.com/?p=item&c=s&i=83
That's not their home page, but it has a substrate calculator on it.
And since the materials are similar, you likely won't be far off.

The shortest distance between any two points is a straight line...in the opposite direction...
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post #15 of 22 (permalink) Old 05-12-2015, 02:03 PM Thread Starter
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Well I will grab 150lbs and if I need more its only a few min away. At least I have a good idea now.

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