How deep is too deep? - The Planted Tank Forum
 
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post #1 of 9 (permalink) Old 03-09-2012, 04:06 PM Thread Starter
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How deep is too deep?

Hello, how deep can the substrate be before it starts developing harmful gas pockets? I will be going with an inert substrate...
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post #2 of 9 (permalink) Old 03-09-2012, 04:28 PM
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http://www.wetwebmedia.com/ca/volume...e_7_1/dsb.html

Mine is 3" with soil/sand and bubbles every now and then but nothing dies so I don't pay it any mind. 3-4" is probably a healthy max though and remember that organisms that churn the sand (trumpet snails for example) are very useful for keeping the sand functioning as it should.


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post #3 of 9 (permalink) Old 03-09-2012, 06:14 PM Thread Starter
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Thanks, I've actually done a DSB in my old reef tank, but never heard of one for FW before. Do you use an online retailer for any of your sand fauna? I'm pretty sure I've seen the Malayan Trumpet Snails locally, but never heard of any of the other guys around here...
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post #4 of 9 (permalink) Old 03-09-2012, 06:56 PM
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http://www.wetwebmedia.com/ca/volume...e_7_1/dsb.html
http://www.fishlore.com/fishforum/aq...-sand-bed.html
http://www.aquaworldaquarium.com/Art...ent_killer.htm
http://www.aquariacentral.com/forums...Sand-Beds-Work

you just don't stir up that deep sandbed


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post #5 of 9 (permalink) Old 03-09-2012, 07:15 PM
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I'm somewhat interested in this topic. My substrate is a 5-6 inch mix of ecocomplete and sand. Im fully planted, so i never clean my substrate. Don't really want to pull anything out either!
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post #6 of 9 (permalink) Old 03-09-2012, 07:27 PM Thread Starter
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Quote:
Originally Posted by digitallinh View Post
I'm somewhat interested in this topic. My substrate is a 5-6 inch mix of ecocomplete and sand. Im fully planted, so i never clean my substrate. Don't really want to pull anything out either!
So do you ever use root tabs to fertilize?

I, Wendy, do solemnly swear to never, ever, not in a million years stir my DSB . Thanks for the links!
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post #7 of 9 (permalink) Old 03-09-2012, 07:43 PM
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so is this why amano can make huge deep slopes?


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post #8 of 9 (permalink) Old 03-09-2012, 08:01 PM Thread Starter
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It was my dream slope that prompted me to ask...
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post #9 of 9 (permalink) Old 03-14-2012, 10:17 PM Thread Starter
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Thank you for the links, what is your deepest substrate in your current tanks? How old is the system?

I did it. I tore the 55 gal down for a complete redo. #30 Quartz, 3" in front sloping to 5" in back. I put a layer of Osmocote + on the tank bottom. My current tank inhabitants are doing well so far. If my water tests consistently good for a few weeks I'll be off to order lil critterz from these guys:
http://www.aquaculturestore.com/fwinverts.html

I'm converting my old HOB filter into a refugium for them. I'm hoping the refugium will do a good enough job at oxygenating my water at night that I won't have to have an airstone.
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