Tropical Fish Keeping - Aquarium fish care and resources

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-   -   water question... (http://www.tropicalfishkeeping.com/beginner-saltwater-aquariums/water-question-23525/)

jeff20578 04-29-2009 03:58 PM

water question...
 
the top of my water has a light film and collects some bugs - is this typical? Is there a way to prevent this as well?

thanks:-)

onefish2fish 04-29-2009 09:25 PM

bugs?

aim a powerhead up alittle to disrupt the surface, this allows for good gas exchange.

Pasfur 04-30-2009 05:48 AM

This is one of the primary benefits of a sump system. A sump utilizes an overflow, which skims the surface of proteins, improving gas exchange. There are very few hang on skimmers which utilize an overflow, and those that do require almost daily evaporation replacement.

From your question, I assume you do not have a sump. In this situation, improved water movement at the surface will be very important. I also suggest that you use your siphon hose to remove the surface film when doing water changes. It requires a steady hand, but you can bend the hose towards the surface and skim the film off.

jeff20578 04-30-2009 12:02 PM

Unfortunately,i dont have room for a sump and must use a hang on skimmer (aqua c). I think its doing a good job, every couple of days i empty this green foamy liquid out. Ill try to skim the top with while doin g water changes. thanks

wake49 04-30-2009 01:55 PM

I have never used this, but before I installed my sump, I was eyeing this for my 46 gallon reef:

Aquarium Surface Skimmer

I think this needs to be used with a canister filter, and if possible, I would suggest incorporating a sump before using a filter...

klosxe 05-02-2009 06:03 PM

Quote:

Originally Posted by wake49 (Post 191657)
I have never used this, but before I installed my sump, I was eyeing this for my 46 gallon reef:

Aquarium Surface Skimmer

I think this needs to be used with a canister filter, and if possible, I would suggest incorporating a sump before using a filter...

That's not a good Idea. Canister and power filters are bad ideas for reef or marine tanks, because they just trap dirt and stuff, which creates a home for bacteria that isn't necessarily good, and it will lower PH and cause other problems. I would use a sump or power head if possible, but if those aren't good options you could just take some paper towels and set them onto the surface of the water, absorb the film, and throw away the dirty (and wet) paper towels. You'll have to do it several times, and probably a couple times a week to make that work well though...

wake49 05-02-2009 07:41 PM

Actually, I ran a canister filter empty for a few months before I incorporated my sump. It never trapped anything, because there was no filter media in it. It was a good way to turn over the water, and before the sump, added another output (acting like a powerhead).

And I did suggest installing a sump (and not using a filter), but I believe the OP said that a sump wasn't possible at this time.

Pasfur 05-03-2009 07:46 AM

Quote:

Originally Posted by wake49 (Post 192389)
Actually, I ran a canister filter empty for a few months before I incorporated my sump. It never trapped anything, because there was no filter media in it. It was a good way to turn over the water, and before the sump, added another output (acting like a powerhead).

And I did suggest installing a sump (and not using a filter), but I believe the OP said that a sump wasn't possible at this time.

The only downside with this idea is that you won't actually be removing the surface film from the water, but just skimming it off the surface and reintroducing these organic proteins back into the aquarium (as it exits the canister).

On the up side, eliminating this surface film will increase light penetration. Also, removing it from the surface will get it back into the water and allow for possible removal by a hang on skimmer.


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