Gravel w/laterite-good enough? - The Planted Tank Forum
 
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post #1 of 10 (permalink) Old 04-15-2008, 12:13 AM Thread Starter
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Gravel w/laterite-good enough?

I have 55 gallon with fish and plants. I converted my fish only tank to plants and fish about 2 months ago. I tore down the whole tank and put down a layer of laterite then small gravel on top. Now after doing more reserach, I see most people are going with flourite or sand. I hate to tear down my tank again! Will I do OK with the substrate that I have? I'd like to have a moderate light setup with CO2.
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post #2 of 10 (permalink) Old 04-15-2008, 12:17 AM
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should be fine as long as you use firtz

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post #3 of 10 (permalink) Old 04-15-2008, 12:18 AM
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by the way what size gravel is it?

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post #4 of 10 (permalink) Old 04-15-2008, 12:19 AM
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Welcome to TPT!

Laterite will exhaust its nutrient content over time, but that's ok. Instead you just dose ferts into the water column.

I personally prefer substrates with a nutrient content, but they aren't a necessity by any means, you just need to understand fert dosing. You should definitely be able to get good results with your current substrate as long as you balance out the rest of your setup; light, carbon source (CO2 or Excel are common), fish bioload, and ferts.

www.RexGrigg.com is a great place to read up on setting up a balanced tank. Healthy plants are able to keep algae at bay.





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post #5 of 10 (permalink) Old 04-15-2008, 12:42 AM Thread Starter
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Thanks for the replies everyone. I plan on using the EI method of dosing. Can't decide weather to go with excel or CO2...hmmmm. I heard on another site that vals don't like excel. Anyone hear of that.
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post #6 of 10 (permalink) Old 04-15-2008, 01:33 AM
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ya had one and it melted away though i have also hear of people keeping them with excel

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post #7 of 10 (permalink) Old 04-20-2008, 01:59 AM
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i had #3 and #2 and #1 gravel mix with latrite for years and it grew every thing , once it ages its great, i just switch my gravel to SMS black just for the color
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post #8 of 10 (permalink) Old 04-20-2008, 02:24 AM
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I've asked that same question about Vals and Excel, and based on the responses I got it sounds to me like if the vals are slowly acclimated to low doses of Excel they can become tolerant of it, but will definitely melt if you use it at the dosing levels used to treat algae?





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post #9 of 10 (permalink) Old 04-20-2008, 03:59 AM
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Vallisneria issues aside, if you can afford CO2 it is more effective than Excel. They arent exactly the same thing either, so you can benefit even more by using both. If you are dosing fertilizers then your gravel will work fine.
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post #10 of 10 (permalink) Old 04-23-2008, 10:31 PM
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stacir, regarding your substrate you'll be fine. I have just cheapo substrate, with no anything alse, and everything grows great, I just have to fertilize which you are going to do anyways

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