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A Beginner's Silly Questions about Saltwater Setups

This is a discussion on A Beginner's Silly Questions about Saltwater Setups within the Beginner Saltwater Aquariums forums, part of the Saltwater Fish and Coral Reef Tanks category; --> Originally Posted by onefish2fish red slime algae or cyano bacteria And how do i get rid of it?...

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A Beginner's Silly Questions about Saltwater Setups
Old 06-09-2009, 06:51 AM   #11
 
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Originally Posted by onefish2fish View Post
red slime algae or cyano bacteria
And how do i get rid of it?
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Old 06-09-2009, 09:04 AM   #12
 
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I'm modifying the canopy for my salwater tank (I need more room), and i'm going to put white plam on the interior to help in reflectivity (i'll use a couple reflectors also, but this will be the majority of the reflective area)

how much clearance do I need to give the 250w MH lights? is 6" off the water enough or should I make the canopy taller?

what about things like diffuser grid (egg crate, i've seen it called) how far does that need to be from the MH lamps?
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Old 06-09-2009, 09:15 AM   #13
 
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And how do i get rid of it?

id guess your phosphates and or nitrates are high, or a fish/snail/something just died. it could be from your food source too. do you prerinse frozen foods? are you using quality brands and not overfeeding?
whens the last time you changed your ro/di filters, do you have a TDS meter? whens the last time you changed your carbon in the reactor? these can build up gunk too.

after fixing the problem i would then suggest sucking out as much as you can with either a turkey baster or a thin line of tubing and call it a water change, increase flow in that area, and/or cut your lights back for the time being.

and btw, check your pms.
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Old 06-09-2009, 10:21 AM   #14
 
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what about things like diffuser grid (egg crate, i've seen it called) how far does that need to be from the MH lamps?
Why are you diffusing the MH Lamps? I would think that you would want the most light available from the lamps. And those Metal Halides get HOT!! It's possible (not probable, though) they could melt the eggcrate diffuser if too close.

Quote:
Originally Posted by RBReddin75 View Post
how much clearance do I need to give the 250w MH lights? is 6" off the water enough or should I make the canopy taller?
6" should be enough, considering that most of the legs they produce for these fixtures are 4" or less. About the canopy. I would add some exhaust to the back of the canopy, as heat will get trapped from the metal halides and cause a rise in the tank temperature. You might want to attach a few fans to the back of the canopy.
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Old 06-10-2009, 02:53 AM   #15
 
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if your building a canopy you wouldnt need eggcrate or a screen to keep any jumping fish in.

the fans are a good idea but its better to put them on the left and right or just on the left or just the right then in the back. you could also put a fan over the sump too.
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Old 06-10-2009, 07:50 AM   #16
 
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That's even better. That's the way my light fixture is set up, with the fans on the sides of the unit.

I have had about 4 fish jump so far, and they have been two gobies, a blenny and a wrasse. But I heard that gobies are worst for jumping...
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Old 06-10-2009, 10:54 AM   #17
 
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The canopy will be fully open on the back of the tank.. and fans will be installed on the sides, in line with the MH lamps (blowing room temperature air across them, which will exit the back of the canopy)... the fans will be on the same timer as the MH's so when they are on, the fans are on.. (I have a chiller also)

I was thinking about diffuser material to keep the fish in (but maybe I only need it across the back of the tank)... say 6" from the back edge, along the length of the tank

and the 6" i referred to is from the bottom edge of the lamp, (so it's a full 6" clear).. I've seen on another site that 8 is better... it'll depend on what the canopy looks like with 8, I may end up doing 6.. I just don't want the "tall hat" look on the canopy, and I don't want it to be too tough to lift up and reach in..
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Old 06-11-2009, 12:39 AM   #18
 
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you could put a sheet of eggcrate (found in the light department of home depot) across the back of the canopy. this way its still open but closed in from jumping fish. with the chiller i wouldnt be worried about the back of the canopy being open or closed, i guess that one is preference.
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Old 06-11-2009, 07:53 AM   #19
 
Ive started my own aquarium just recently and its a 45 gallon tall fowlr, and I am looking at about $500 spent already, and about another 100 for the base rock, not including fish. I did some craigslist shopping, so it can be done for less than $1,000 on a decent sized tank. You can get a 55 gallon with stand for $150 on there, but if you are looking for a bowfront or acrylic you will be spending more money. If I can give any good info. that I have learned from being on here a total of about a week or two, it would be patience and GOOD filtration.
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Old 06-11-2009, 07:55 AM   #20
 
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well the real reason that I wanted the fans was to keep the 250's from overheating the canopy itself.. i'm using commercial grade high pressure plastic laminate (white) on the underside of the canopy to assist in reflectance, I'll also have a single 36"X10" reflector mounted between the two MH lamps .... actual lamp layout will be similar to the picture shown in my introduction thread (however the wiring and installation will be much cleaner)

I like the idea of putting the diffuser material along the back of the tank
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