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I'm surprised there isn't a sticky somewhere that gives some insight into how many bags of substrate someone should buy to get an adequate depth in their tank.

Anyways, how many bags of 20# eco-complete would someone have to buy to cover a 40g breeder (36x18)?
 

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If you want to calculate it manually, one bag of E-C contains ~ 350 cubic inches of substrate material. It's water isn't included when you do this calculation.

So, 36" x 18" x 3" ÷ 350 cubic inches per bag = 5.6 bags for a depth of 3"

This comes out to ~ ½ bag more than the mizuworld calculator.

Sadly, the substrate calculator on this site is a dead soldier.
http://www.plantedtank.net/substratecalculator.html
 

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Interesting, this makes me hopeful that I should have enough flourite black to do my 40 breeder. I realize flourite black comes in different size bags, and covers a different area due to the size of the substrate, but I've got 5 bags, hoping that should come out about right.
 

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Hey guys... I found a similar calculator here: aqua-calc.com/calc_gravel.php

Dunno how accurate it is, but it does let you choose the type of substrate you want to use (eco-complete is included)
 

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Interesting, this makes me hopeful that I should have enough flourite black to do my 40 breeder. I realize flourite black comes in different size bags, and covers a different area due to the size of the substrate, but I've got 5 bags, hoping that should come out about right.
Seachem has a calculator for everyone of their substrates. This is the one for Flourite Black. It is near the bottom of the page. Flourite Black comes in one bag size which is 7 kg.
http://www.seachem.com/Products/product_pages/FlouriteBlack.html

Seachem gravels: http://www.seachem.com/Products/Gravel.html
 

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I think 2 bags will be good. Will I be fine not topping it with any sand or quartz? Or should I add a layer over the E-C?
Thanks BTW
 

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Most of us use E-C by itself.
 

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Ok thanks. I think I am going to get 2 bags of E-C and a bag of black gravel to mix in with it to achieve my 3" layer of substrate. Sound good?
 

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Discussion Starter #14
Ok thanks. I think I am going to get 2 bags of E-C and a bag of black gravel to mix in with it to achieve my 3" layer of substrate. Sound good?
Sounds amazing!

Anyways I ended up going with 5 bags of E-C for my 40g breeder. It was a bit overkill, I could have gotten by with just 4, oh well, the plants are growing like a bat outta hell!
 

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Ok thanks. I think I am going to get 2 bags of E-C and a bag of black gravel to mix in with it to achieve my 3" layer of substrate. Sound good?

i have 2 bags in my 20 gallon....pour the 2 bags of eco first before you add the extra black gravel. I feel the 2 bags of Eco were plenty. So use your personal preference for judgement.
 

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Ok thanks. I think I am going to get 2 bags of E-C and a bag of black gravel to mix in with it to achieve my 3" layer of substrate. Sound good?
That will work just fine.

As a suggestion for that extra bag of black gravel, you could also use Flourite Black or Flourite Black Sand. You could also use
Tropic Isle Tahitian Moon Black Sand.

http://www.drsfostersmith.com/fish-supplies/pr/c/3578 offers $5.99 flat rate ground shipping until Dec 31 for all orders even with heavyweight or over sized items.

E-C: http://www.drsfostersmith.com/product/prod_display.cfm?c=3578+10742+9087&pcatid=9087
Flourite Black and Black Sand: http://www.drsfostersmith.com/product/prod_display.cfm?c=3578+10742+4870&pcatid=4870
Tropic Isle Tahitian Moon Sand: http://www.drsfostersmith.com/product/prod_display.cfm?c=3578+9805+7324&pcatid=7324
 

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That will work just fine.

As a suggestion for that extra bag of black gravel, you could also use Flourite Black or Flourite Black Sand. You could also use
Tropic Isle Tahitian Moon Black Sand.

http://www.drsfostersmith.com/fish-supplies/pr/c/3578 offers $5.99 flat rate ground shipping until Dec 31 for all orders even with heavyweight or over sized items.

E-C: http://www.drsfostersmith.com/product/prod_display.cfm?c=3578+10742+9087&pcatid=9087
Flourite Black and Black Sand: http://www.drsfostersmith.com/product/prod_display.cfm?c=3578+10742+4870&pcatid=4870
Tropic Isle Tahitian Moon Sand: http://www.drsfostersmith.com/product/prod_display.cfm?c=3578+9805+7324&pcatid=7324
I just got a DrsFS.com in the mail. It has the catalog number for plain black gravel that I was looking for. A 25# bag costs $14.79. APG-18800.
http://www.drsfostersmith.com/product/prod_display.cfm?pcatid=12131&prodid=23575&catid=1313

Since the shipping is $5.99 for all items included on your order., You could get all your substrate materials from here rather cheaply.
 

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Sounds like 2 bags are needed if you want to do any hills or other type of aquascaping.


LOL. My guess is after 8 years those hills have corroded


Sent from my iPhone using Tapatalk
 
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