Ickl Devil Ickl Devil
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  • Posted on: 14/6/2010 0:35
Is my lighting sufficient #1
I've recently replaced both of my tanks light units and they came with brand new bulbs, 2x15w and 2x30w.

I'm guessing these are classed as low lighting and wonder if they will provide sufficient photosynthesis for plant growth or whether I would benefit from buying reflectors please?

Current plant stocks:
4 x Cryptocoryne
6 x Bacopa
4 x Amazon Sword
3 x Java Fern
2 x Moss Balls
EagleC EagleC
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  • Posted on: 14/6/2010 8:05
Re: Is my lighting sufficient #2
The Bacopa is likely to struggle but the rest should be ok.
Ickl Devil Ickl Devil
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  • Posted on: 14/6/2010 8:28
Re: Is my lighting sufficient #3
Would reflectors help?
EagleC EagleC
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  • Posted on: 14/6/2010 10:20
Re: Is my lighting sufficient #4
90W of T8 lighting over a 77gallon tank? I dont think that would be enough for Bacopa. It would grow long and stringy and the leaves on the lower part of the stem would be small or fall off. You could keep cutting the top off and replanting for a while but it would be high maintenance and eventually the plant would die. If you don't mind this routine and replacing the plant every 3-6months then it would be fine. Bacopa generally likes intense lighting so maybe double or triple what you currently have.

Reflectors effectiveness varies greatly depending on the tank design and that of the reflector. A closed lid tank with a white or silver interior often doesn't benefit from reflectors much at all but if you have an open top or black lined lid you'll get nearly double the light by installing them.
Ickl Devil Ickl Devil
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  • Posted on: 14/6/2010 15:24
Re: Is my lighting sufficient #5
It's a closed lid and is in black. I'll price them up but it's probably likely the cos of replacing the bacopa with something that will thrive will outweigh new reflectors if they're very expensive.

Thanks once again Eagle.
Ickl Devil Ickl Devil
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  • Posted on: 14/6/2010 15:51
Re: Is my lighting sufficient #6
Not too badly priced, I'm looking about ?35 for the 4 I'd need :0) expected much more than that lol.