How important is the Cap depth on a dirt tank? - The Planted Tank Forum
 
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post #1 of 4 (permalink) Old 12-07-2011, 03:13 PM Thread Starter
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How important is the Cap depth on a dirt tank?

I setup my 90 yesterday with apx 1.5-2 inches of dirt/mts then capped it with sand, looking in from the side it looks like there may be some spots that are only an inch deep in regards to the playsand cap on top of the soil. Is this likely to cause any sort of issue?


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post #2 of 4 (permalink) Old 12-07-2011, 03:34 PM
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An inch cap should be good actually. That's what I run with in all my tanks. Having too little of a cap (I'd say about half inch or less) can lead to dirt starting to float in the tank which can lead to problems. You should be fine with an inch


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post #3 of 4 (permalink) Old 12-07-2011, 03:39 PM
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I think your fine. I shoot for an inch/inch and a half, roughly.
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post #4 of 4 (permalink) Old 12-07-2011, 04:06 PM
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its very important IMO, in order to keep the MTS below the cap. You will have air bubbles and some bigger than others.

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