Sand or Gravel?

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xrayjeeper83
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Re: Sand or Gravel?

Post by xrayjeeper83 »

You can get pool filter sand from any pool store(though dont know how many of those you have in canada lol)

Thats what im going to go do for my next tank
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JRC3
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Re: Sand or Gravel?

Post by JRC3 »

^
A place that sells pools and hot tubs will have it. I've also heard of people ordering it from mom and pop hardware stores.


Good luck.



*edit*

I didn't see that this started a second page.
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Re: Sand or Gravel?

Post by RTR »

FYI, I would bet that my tanks have better and more flow than yours for all fish which like such, as I seriously over-filter.

As has already been said, and is beyond dispute, MTS cannot and will not dig into anoxic areas. Surface flow over the sand bed is good, but penetration to the depths is purely diffusion in sand. Sand does require routine upkeep. In SW DSB can be operated successfully, but unmaintained sand >1" deep is a time bomb.in FW or BW.
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Re: Sand or Gravel?

Post by Pufferpunk »

I keep DSB in my 3 SW tanks. You should see all the micro-creatures in there, turning it over! No such creatures in FW, I'm afraid & the MTS only work on the top 1".
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Re: Sand or Gravel?

Post by ramcharger1979 »

If left untouched how long would it take for the toxic gases to hurt your fish?
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Re: Sand or Gravel?

Post by RTR »

That is highly variable. The big hazard is that once it goes anoxic, You cannot clean it with anything live in the tank. It is a high risk situation which is never worth the risk.

DSBs are a radically different thing they do work to denitrify and generate a huge variety of generally beneficial critters, ditto plenum tanks w/less sand depth than a DSB. Properly set plenums can work in FW and BW also, but DSB are best SW only.

Shallow sand beds, with upkeep, are fine.
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