Sloping with blasting sand? - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 06-16-2017, 09:56 AM Thread Starter
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Sloping with blasting sand?

I just got into planted tanks about 6 months ago (and this place has been a huge help!). I used medium grit blasting sand on my 120, and I've noticed it doesn't maintain the slopes I created very well - i guess the word "settles" might describe it. I didn't have anything steep, but probably went from 2" in front to 4" in back on a 18" wide (front to back) tank. There's a little slope left, but not near as much.

I made a deal on a used 240 yesterday, and I'm wondering if I should use the coarse grit instead of the medium when I set this one up. Suggestions?
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post #2 of 5 (permalink) Old 06-16-2017, 03:10 PM
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Coarse grit isnt going to be much better as far as retaining a slope.

I dont have any tricks to do that, seen folks add a layer of lava rock underneath to help, but I really cant say if that works or not

Maybe somebody else will chime in with a good method.


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post #3 of 5 (permalink) Old 06-16-2017, 04:55 PM
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You can use nylon sheets and cut strips to about 1/2" under the depth of the substrate you want and push them down in to hold back the sand, kind of like a hidden retaining wall. It may take several strips at differing heights to keep the slope. Depending on flow of water and type of fish these may become exposed from time to time but the general angle of the slope should remain and you can just push the disturbed sand back over top. Just a thought.

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post #4 of 5 (permalink) Old 06-17-2017, 06:41 AM
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I used some coarse sponge to build up a slight slope in my tank. It worked well until S..Repens roots hooked into it and pulled it up when I pulled them.

That or egg crate may work great for you depending on your application.

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post #5 of 5 (permalink) Old 06-18-2017, 01:36 AM
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Quote:
Originally Posted by jnboone View Post
I just got into planted tanks about 6 months ago (and this place has been a huge help!). I used medium grit blasting sand on my 120, and I've noticed it doesn't maintain the slopes I created very well - i guess the word "settles" might describe it. I didn't have anything steep, but probably went from 2" in front to 4" in back on a 18" wide (front to back) tank. There's a little slope left, but not near as much.

I made a deal on a used 240 yesterday, and I'm wondering if I should use the coarse grit instead of the medium when I set this one up. Suggestions?
I've used black corrugated plastic which I've cut into small sections and inserted into my slopes for my Spec V, and it is also how I plan to support my slopes of aquasoil in my 112 I am setting up right now. You can find it at home depot for a fair price and it's the same stuff you see James Findley use in The Green Machine videos. I will admit I'm not sure how well it would work for blasting sand.

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