Sand cap for Walstad method - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 12-30-2015, 07:30 AM Thread Starter
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Sand cap for Walstad method

I've been researching if a pool filter sand cap will work for the Walstad method. I read that if one uses a 1" layer of sand it will suffocate the soil, but I'm afraid if i use less than some fish, like my ram will displace some of the sand and make a mess. I dont want to use gravel because I'm not sure fine plants like monte carlo can grow in it (can it?). I monte carlo can grow in gracel than I will use that. What do you you all suggest I do?

Thanks in advance.
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post #2 of 6 (permalink) Old 12-30-2015, 01:44 PM
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Using pool filter sand as a cap is a pretty common practice. If you get true pool filter sand that is #20 sized grain, it won't make a mess in the tank, and it won't "suffocate" the soil as the grains are large enough for water to seep in. You will have to rinse it several times to get a good portion of the dust off of the sand but after that, it does a really great job.

Aqua Quartz 50lbs Pool Filter Sand (61308) - Pool Maintenance Equipment - Ace Hardware

I'm sure there are more experienced folks that will chime in on this.
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post #3 of 6 (permalink) Old 12-30-2015, 10:47 PM Thread Starter
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Thanks, how thick of a cap do you recommend for my particular situation?
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post #4 of 6 (permalink) Old 12-31-2015, 02:18 AM
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1" of pool filter sand should suffice.

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post #5 of 6 (permalink) Old 12-31-2015, 05:21 AM Thread Starter
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So just to clarify, 1" of pool filter sand won't be to thick?
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post #6 of 6 (permalink) Old 12-31-2015, 07:57 AM
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1" is just about right. I wouldn't go any deeper.
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