question on surface debris

  • We are currently upgrading MFK. thanks! -neo
B

Blueforever

Feeder Fish
MFK Member
Apr 17, 2007
13
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China
Recently i noticed a build up of an oil like film with some flakes on the surface which i skim away manually but comes back within 24 hours. is this normal? or what are the likely sources

water parameters are unchanged from previously

its a 100 gallon with 1 arowana in the tank and nothing else.

thanks for any replies.
 
Is this an established tank?

Anything changed (food / fish / equipment)?

To help get rid of it you can float a tennis ball in the tank, it will p/u most of it. They also make a ball for hot tubs that works the same way.

Dr Joe

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And for those of us who don't prefer sports equipment in our tanks, surface skimmers seem to work well for canister and power filters, right?

Anyone try out the Aqua-clear surface skimmers?
 
I have AquaClear skimmers on my 75G & 150G. Both are hooked to XP3 filters. Water surface has been absolutely clear for 12 months. My film is so bad that when I turn off the XP3s for a few minutes during water changes, the surface is completely covered with oily film in minutes.
 
Make sure you have no air freshners running such as Renuzit® my 2 cents:naughty:


Common Household Products which are Known to Be Toxic: The following common household products are known to contain carcinogens (chemicals that cause cancer) or neurotoxins (chemicals that adversely affect the nervous system): Lysol Disinfectant, Renuzit Air Deodorizer, Bon Ami, Fantastik, Formula 409, Murphy Oil Soap, Pine-Sol, Pledge, Ajax Cleanser, Scott's Liquid Gold, Spic & Span, Glass Plus, Tilex, K2R Spot Lifter, Drano, Bissel One-Step Floor Cleaner, Behold Furniture Wax, Endust, Old English Lemon Furniture Polish, Lemon Dawn, Sunlight Dishwashing Detergent, Palmolive Dishwashing Liquid and numerous other common household cleaning products .
 
run carbon if you aren't already, and with plaenty of surface aggitation it should be picked off by the filter
 
Yep, airstone does the trick!
 
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