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Old 02-20-2013, 12:20 AM   #11
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The Aqua Clear HOBs require about 3" behind the tank. That is for an AC50. Yes, they can make a splash (will definitely break up the surface film problem). I added a curved lip to the water fall (made from the plastic strip at the back of the tank) to redirect the water flow along the surface. In fact it was so calm that a film developed. Fixed that by allowing some of the ceramic rings (I have a bunch of them strung together with fishing line) hang over the lip just enough to generate a few bubbles...even a few will break up the surface film.
Don't understand why your power heads won't break up the film.
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Old 02-20-2013, 12:24 AM   #12
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Quote:
Originally Posted by Fresh2o View Post
The Aqua Clear HOBs require about 3" behind the tank. That is for an AC50. Yes, they can make a splash (will definitely break up the surface film problem). I added a curved lip to the water fall (made from the plastic strip at the back of the tank) to redirect the water flow along the surface. In fact it was so calm that a film developed. Fixed that by allowing some of the ceramic rings (I have a bunch of them strung together with fishing line) hang over the lip just enough to generate a few bubbles...even a few will break up the surface film.
Don't understand why your power heads won't break up the film.
I agree. Also like I said I think those nanos are extremely weak.
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Old 02-20-2013, 11:26 AM   #13
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Maybe try something like this

http://www.drsfostersmith.com/produc...m?pcatid=12703

Don't know personally how it works never used one. Any possibility to get pics of tank maybe some thing will stick out
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Old 02-20-2013, 11:40 AM   #14
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I'm pretty sure ^ those are for canister filters. They work pretty good though. Once you get it dialed in but it's another piece of equipment in your tank. Either protien skimmer or adjust your flow.
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Old 02-20-2013, 12:10 PM   #15
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From what I have read from books air bubbles have same effect as surface agitation to produce oxygen. I am not sure if it will raise the PH though. I use the PH8.2 and the buffer to do that.
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Old 02-20-2013, 12:28 PM   #16
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An air stone would be bad for a salt tank. Don't go that route. Proper gas exchange, which takes place at the surface, will raise PH. I'm afraid there's no other way to remove the oil slick except moving and/or enlarging/adding power heads.
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Old 02-20-2013, 10:04 PM   #17
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thanks everyone ill go with the aqueon, i was hoping i wouldnt have to though!
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Old 02-20-2013, 11:43 PM   #18
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Folks, lets keep it civil and leave personal attacks out of the conversation. Everyone is entitled to share their advice, and opinion, so long as it isn't an attack or personal.
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