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Old 07-01-2021, 09:41 PM   #1
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Aqua scraping with larger rocks

I am planning on using soil with a sand cap and my substrate. I have over 80 pounds of stone I plan on using to scape the tank (75 gallon) and a few are pretty heavy. Sound I place the substrate in first then the stone or the stone then try to layer the substrate around it?

On one hand I think the heavier rocks on the glass could be an issue and it also will be harder to put in the soil with the cap and may become a muddy mess

On the other hand the rocks on the substrate could lead to settling over time and movement and that could cause some mud and maybe a collapse.

Any other suggestions? A layer of pea gravel crossed my mind to distribute the weight, not sure how that would work with the soil. Some sort of pad under the rocks? What would I use for that?

Any help would be greatly appreciated!

"I know the human being and fish can coexist peacefully."
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Old 07-02-2021, 02:51 AM   #2
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Eggcrate ceiling tile louvres laid on base of your tank. Get them from a building suppliers rather than someone selling them for aquariums and you will pay a lot less.

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Old 07-02-2021, 05:44 PM   #3
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The large stones will wind up on top of other substrate no matter what you do.
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Old 07-02-2021, 10:06 PM   #4
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I have over 200 lbs. Of limestone hardscape in my 120 gal. There is a 4" deep substrate bed of small grain rounded river gravel. The rocks were positioned on top of the substrate. No egg crate. The tank has been up & running for many years. Occasionally I have to back fill around a rock if a fish digs a nest, but to disasters.
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api, large, rock, rocks

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