Ai hydra 32 coverage

sascoaquatics

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hi all,
Would I get away with a hydra 32 in a 90 cm lengthed tank (the coverage says 60cm) but I think it’s a waste to by another what’s your opinions
P.s I’m upgrading tank so already have an ai hydra 32
 

SoggyNW

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Nothing wrong with a single light that doesn't cover the whole tank. Obviously directly below the light will have the most par and then a diminishing intensity out to the edges, place your corals accordingly.
 
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sascoaquatics

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Nothing wrong with a single light that doesn't cover the whole tank. Obviously directly below the light will have the most par and then a diminishing intensity out to the edges, place your corals accordingly.
Depends really on what you want to grow. 90cm is about 3ft. I have 4 hydra 32hds over top 4 foot. Sps
hi guys, yes i would put lps and a few sps in middle but it would be zoas and mushrooms around the edge, is that fine? and would i need to run the light on quite a high percent or just normal
thanks for the help
 

ryanjohn1

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hi guys, yes i would put lps and a few sps in middle but it would be zoas and mushrooms around the edge, is that fine? and would i need to run the light on quite a high percent or just normal
thanks for the help
Hydra has a 2 foot spread. So if you kept 6 inches on either side you would get very low light levels. I use the Tony Roger’s setting.
 
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sascoaquatics

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s
Hydra has a 2 foot spread. So if you kept 6 inches on either side you would get very low light levels. I use the Tony Roger’s setting.
sorry are you reccomending another or saying i can get away with 1,
thanks for the help
 

cilyjr

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You can use just 1. You will not have great lighting on the extremities.

As an example I have 8 on a 6 foot (180cm) x 3 foot (90cm) tank and par is barely cutting it with 4 54w t5 bulbs.
I see around 450 at 6 inches deep and about 130 at 30 inches deep.
 

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