Lighting help.. - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 14 Old 03-24-2013, 12:09 PM Thread Starter
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Lighting help..

I've got some salvinia minima and amazon frogbit coming and I've got people telling me that my 1 T8 daylight bulb will not be sufficient for them over my 55g. Should I just switch to my double T8 or try and see if the single will manage? Would really prefer to stay with the single if possible....Thoughts?
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post #2 of 14 Old 03-24-2013, 12:20 PM
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Not familiar with slalvinia, can't look it up right now either. Surface plants don't need the same light intensity as substrate plants just because they are so close to the light. I'd say try it out and see what happens. You can always add the light if needed.

Jeff
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post #3 of 14 Old 03-24-2013, 12:59 PM
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I tend to agree with Jeff. But I would mention that with floating plants, you will lessen the light getting down into the tank, and substrate rooted plants might struggle.

Back when I had a 55g with a single T12, I went easy on the floating plants and barely managed. I've had Salvinia [this is a nice plant] in my present tanks with two T8 tubes and it thrived.

Do you still have the dual-tube fixture?

Byron.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If youíre going to take it under your wing then youíre responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #4 of 14 Old 03-24-2013, 01:10 PM Thread Starter
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I plan on having them to one side of tank over my anubias, the other side I plan to have free because of the swords that are over there.
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post #5 of 14 Old 03-24-2013, 01:15 PM Thread Starter
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Almost sounds like I should use 2 bulbs
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post #6 of 14 Old 03-24-2013, 01:25 PM
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Probably can't hurt, I thought those were the only plants in the tank. If its easy and doesn't blow your budget, the plants can benefit from more light.

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post #7 of 14 Old 03-24-2013, 01:56 PM
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also agree with previous posts, i would go with the dual t8 fixture just to add some flexablity and not to mention a single t8 isnt much light anyways.
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post #8 of 14 Old 03-24-2013, 01:59 PM Thread Starter
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To answer your question Byron, yes I do have the double strip T8 tube.
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post #9 of 14 Old 03-24-2013, 02:19 PM
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Now that I can see your tank shot, you already have floaters and bottom plants... I probably would have said go with two and maybe you will need to reduce the light period a bit. If its only the cost of a bulb, try with and without and see how it goes.

Jeff.


Total years fish keeping experience: 7 months, can't start counting in years for a while yet.

The shotgun approach to a planted tank with an LED fixture

Small scale nitrogen cycle with a jar, water and fish food; no substrate, filter etc
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post #10 of 14 Old 03-24-2013, 02:35 PM Thread Starter
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I actually removed those floaters as they didn't do well. ( wisteria )
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