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Old 02-20-2007, 09:26 PM   #1
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HMMM Sand or crushcoral?

have a quick question. whats a good substright for a noob reefer like my self? i have had other SW tanks but never a Reef tank. and how much shoudl i get for a 30g tall.
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Old 02-20-2007, 09:29 PM   #2
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sand it much better IMO! ( I have 2 SW, one has sand and one has CC and I like the sand a LOT more)
a 30gall tall? you mean a 29gall? or a 30 hex? I would put about 40-ish pounds in for a 29 gall and maybe about 30 pounds in for a hex (since its taller than it is wide)! I have 40 pounds of agralive in my 29gall
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Old 02-20-2007, 09:31 PM   #3
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Sand is the way to go . CC will trap debris and cause high nitrates. Use this sandbed calculator to figure out how much you need.

http://www.fantasyreef.com/flash/calculator.html
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Old 02-20-2007, 10:24 PM   #4
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i am shure. its a 30g . its what it says on the frount.

Cool, Sounds like the people have spoken lol sand it is then.
Now for the light. i am going to buy a HQI light. the tank is 20"Long x18"wide and 20"High. would a 150Watt do? i dont want to limit my self on corals i can have.

u can check my photo on my profile for a picture. the 2 tanks to the left are my old FOWLR
the one has the 36lbs of fiji LR curing now.(thats whats going in my new reef tank) nitrites are just about peaked and my ammo. is slowy coming down. so i dont think it should be to much longer.
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Old 02-20-2007, 10:43 PM   #5
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wow that is one odd shaped tank ( I did the math and it is a 30 gall, well, 30.96 to be exact 20x20x18=7200x 0.0043=30.96) ....150 watts, thats 5wpg IMO thats pretty good lighting! but im no reef expert I will let one of more knowledge help you there!
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Old 02-20-2007, 11:00 PM   #6
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You might want a little more if you really want to not be limited. That will cover most there will be some high lighting sps you might not be able to have.
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Old 02-21-2007, 12:51 AM   #7
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IMHO, a 150 watt MH will be plenty, especially with a shorter length tank. Keep your higher light corals towards the top, and you'll be fine.
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Old 02-21-2007, 01:42 AM   #8
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Quote:
Originally Posted by Devilishturtles
IMHO, a 150 watt MH will be plenty, especially with a shorter length tank. Keep your higher light corals towards the top, and you'll be fine.
I agree I must have missed the MH I thought you said HO sorry *hits himself on head*
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Old 02-21-2007, 03:04 AM   #9
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is there a big diffrence between them both?(the 150 and 250) and is it posible to burn coral? its just seems like alot of light for a 30g. but if u think i should get it , then thats what i will get. i like the sps corals too. i really dont want to not be able to have them.
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Old 02-21-2007, 12:04 PM   #10
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Besides the extra wattage, it will put off a lot of extra heat, burn up a lot more electricity, make the need to buy a larger and more expensive ballast. I think that, unless you want to keep sps corals in the bottom of your tank, you don't need the 250. Keep them in the upper portion of your tank, and you'll be fine with a 150. I think it you go 250, you'll be limited on the other end of the scale...having to worry about what the lower light corals can handle.

Again, that's my opinion. Other's may vary.
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