Fluval 13w Power Conpact Light for Dwarf Baby Tears? - The Planted Tank Forum
 
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post #1 of 10 (permalink) Old 05-13-2013, 02:36 AM Thread Starter
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Fluval 13w Power Conpact Light for Dwarf Baby Tears?

I'm setting up a 1.75g tank and plan on having just DBT and some moss to create what would basically look like a field with a lone tree in it. I'm using Amazonia substrate with a good layer of the ADA fine grain sand over it. The tank only has about 4" of water between the surface and the sand. There is no filter or heater, my room is fairly warm with the large amount of tanks in it so I'm not concerned with the temperature dropping, also at most there I'll be 1, maaaaybe 2 very small species of fish or shrimp. My main question is would Fluval's 13w power compact light be sufficient to grow DBT with pressurized co2? I feel like it may be a silly question considering there isn't a lot of space between the substrate and light but I've never tried a carpet of DBT before, I will also attempt to start it out using the "dry method." Any input I appreciated.

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post #2 of 10 (permalink) Old 05-14-2013, 10:30 AM Thread Starter
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post #3 of 10 (permalink) Old 05-14-2013, 01:27 PM
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Putting sand on top of Amazonia isn't a good idea. It's eventually going to sink beneath your substrate.

Whether or not the light fixture works for you will depend upon the dimensions of your tank. It will likely be high light but that depends upon whether there's enough spread to cover the entire tank. Will there be dark or unlit areas around the light?


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post #4 of 10 (permalink) Old 05-14-2013, 07:19 PM Thread Starter
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The footprint is about 8"x5" and the fixture is actually longer than the tank by about 2". I used to have one of these Fluval lights when I had their shrimp tank kit. I'm sure it will cover the entire surface area of the tank.

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post #5 of 10 (permalink) Old 05-15-2013, 12:10 PM
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Yep - you're going to have high light. With the right amount of CO2 and ferts, you should be okay. You'll just have to play with the CO2 for a week or so to get things dialed in.

One thing you'll want to consider (even in a tank this small) is finding a way to filter or at least create a bit of waterflow so there's no stagnation, CO2 gets evenly dispersed and ferts spread around. RedSea and Azoo both make tiny little HOBs for under $10 that would work really well and even have adjustable flow. The intake pipe could be dremeled down to work with your tank without a problem.


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post #6 of 10 (permalink) Old 05-16-2013, 08:14 AM Thread Starter
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I actually have the RedSea HOB, though it's been out of use for a while so I may need to get a new one but I had considered it.. I also considered a very small pump similar to the ones used in Fluval Spec filters though I don't know if I'd be able to find one for such a small tank.

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post #7 of 10 (permalink) Old 05-16-2013, 08:24 AM Thread Starter
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Here's what we got so far.

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post #8 of 10 (permalink) Old 05-16-2013, 01:35 PM
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One thing you could do is get an Elite Micro internal filter and use the top half as a tiny powerhead. Or, heck, use the entire thing.

But My money would be on the tiny RedSea HOB you've already got. That'd be one less thing in the tank to take up room.


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post #9 of 10 (permalink) Old 05-17-2013, 03:15 AM Thread Starter
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True, I'll find the RedSea tonight and give it a go. See what happens from there.

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post #10 of 10 (permalink) Old 05-18-2013, 01:40 AM
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I use the TOMS 13 w perch light there about 2-3 inches shorter and a little less costly
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