Amount of gravel?
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Amount of gravel?

This is a discussion on Amount of gravel? within the Freshwater and Tropical Fish forums, part of the Freshwater Fish and Aquariums category; --> How much gravel should you have per gallon of the fish tank?...

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Old 07-21-2009, 09:26 AM   #1
 
Amount of gravel?

How much gravel should you have per gallon of the fish tank?
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Old 07-21-2009, 09:35 AM   #2
 
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My local fish store has a sign that says 1 pound gravel per gallon.

Last edited by Twistersmom; 07-21-2009 at 09:38 AM..
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Old 07-21-2009, 09:40 AM   #3
 
That would mean 100+ pounds for a 29gal. 50lbs for a 10gal. 25lbs for a 5gal. That seems like a LOT of gravel.
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Old 07-21-2009, 09:41 AM   #4
 
I've always read 1-2lbs per gallon. I just wanted to make sure.
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Old 07-21-2009, 09:47 AM   #5
 
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Quote:
Originally Posted by Zombie View Post
That would mean 100+ pounds for a 29gal. 50lbs for a 10gal. 25lbs for a 5gal. That seems like a LOT of gravel.
Something's wrong with the math here. One pound of gravel for each gallon of water would be 10 pounds in a 10 gallon tank, not 50, and 29 pounds in a 29g, etc.

But another point should be considered, namely, will you have rooted plants [=plants with root systems that need to be in the substrate] in the tank? If yes, you will need enough gravel to hold the roots and allow them to grow; 2 inches is usually adequate, or a bit more. If no plants, the gravel could be very shallow as it becomes simply aesthetic (appearance). The gravel substrate collects waste better than bare glass and it can be easily vacuumed off during the weekly partial water change.
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Old 07-21-2009, 09:56 AM   #6
 
I was regarding to the 5lb per gallon rule.

There will be live plants. In a standard 10gallon, about how much gravel would be 2 inches?
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Old 07-21-2009, 12:55 PM   #7
 
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Quote:
Originally Posted by Zombie View Post
I was regarding to the 5lb per gallon rule.

There will be live plants. In a standard 10gallon, about how much gravel would be 2 inches?
It's the depth of the substrate that is important. I would get 10 pounds for a 10g. If it's planted, have 2 inches minimum; some extra allows you to slope it to the back (looks natural), or have a small raised terrace with rock or wood, etc. It is always good to have a bit extra left over; comes in handy.
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Old 07-21-2009, 01:22 PM   #8
 
I'm aware. It just gets expensive. I'm planting a 29, 10 and 5 gal and in late october I'll worry about a 55 but it won't have plants. (Cichild tank)
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Old 07-21-2009, 01:29 PM   #9
 
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Try checking out lawn and garden stores in your area or landscaping companies nearby. You can prolly find small natural river gravel for MUCH cheaper than the gravel sold at fish stores or online stores. You will need to rinse the gravel either way.
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Old 07-21-2009, 01:41 PM   #10
 
Okay. My only worry about that is I'm keeping Cories and need smaller river gravel.
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