Surface scum + CO2 survey - The Planted Tank Forum
View Poll Results: What is your experience if you use CO2, minimal aggitation?
I don't get scum - period. 31 36.05%
I can keep up with it with periodic cleaning. 28 32.56%
It returns quicker than I can remove it. 27 31.40%
Voters: 86. You may not vote on this poll

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post #1 of 40 (permalink) Old 10-18-2006, 03:51 PM Thread Starter
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Surface scum + CO2 survey

Please comment on your findings as well!

Obviously I have scum issues when trying to keep a decent level of CO2. And you?
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post #2 of 40 (permalink) Old 10-18-2006, 04:19 PM
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Hi,
Please define the scum that you are seeing.
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post #3 of 40 (permalink) Old 10-18-2006, 04:39 PM
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I should clarify my vote by saying that I don't get surface scum except for the first few weeks after setup. Once the tank/plants have settled in it disappears and doesn't return.

óBill

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post #4 of 40 (permalink) Old 10-18-2006, 04:47 PM
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I also voted don't get scum, however the fact that I use a surface skimmer is probably the reason for that.

Walter

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post #5 of 40 (permalink) Old 10-18-2006, 04:52 PM
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I have surface scum right now, along with a DIY CO2... I've been cleaning it up daily and it's getting less and less. only been 2 weeks since my setup and hoping it would go away soon.
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post #6 of 40 (permalink) Old 10-18-2006, 05:42 PM
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If my plants are blocking water flow to the surface skimmer then I get some build up.Trimming the plants and water change resolves this condition.
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post #7 of 40 (permalink) Old 10-18-2006, 05:46 PM
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I don't get it now. I used to though, before I pointed my spraybar slightly toward the surface which gets me a faint ripple to help with oxygen transfer.

SlŠinte!
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ó 2wpg CF lighting; pressurized CO2; 18 watt Turbo-twist UVS; Eheim Pro II 2028; eco-complete; 2 Pearl Gouramis; 7 Harlequin Rasboras; 3 Otocinclus catfish

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ó lo-tech; 1.8 wpg DIY CF light; no CO2; Aquaclear mini; Schultz substrate; java fern; java moss; 7 Neon Tetras; 1 flame dwarf gourami
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post #8 of 40 (permalink) Old 10-18-2006, 06:26 PM
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No scum here...I work with scum....but I don't get it in my tank.
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post #9 of 40 (permalink) Old 10-18-2006, 06:29 PM
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besides scum being a new tank condition, i noticed a correlation between surface scum and gravel debris.
so if your tank is not new, yet scummy, perhaps you should try a good gravel vacuum and water change.
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post #10 of 40 (permalink) Old 10-18-2006, 06:43 PM
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No surface scum for me, but my continuous water change system uses an overflow that probably would skim off any that would try to form. I don't remember ever having surface scum on any tank.

Hoppy
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post #11 of 40 (permalink) Old 10-18-2006, 07:48 PM Thread Starter
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OOOOOOOOHHHHHHHBOY!!!

I was never expecting these type of replies! This info is GOLD!!!! Howcome these tips never show up in a regular " i got this milky filmystuff post"

-Anyway, I get filmy scum as soon as a day later as soon as my spray bar becomes submerged. For those people using surface skimmers(Brotherd), can you attach something like that to a cannister filter w/o sucking in a bunch of air? - or do you have a secondary chamber...

So, heavy gravel debris = increased chance of filmyscum? -in an established tank!? Time to get out the python!
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post #12 of 40 (permalink) Old 10-18-2006, 08:03 PM
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Take a look at the fluval or aquaclear surface skimmers, or eheim makes 1.
Seems like there can be more problems with these things on stonger filters, and you need it dialed in just right.

Try here:
Skimmers @ Big Als

Walter

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post #13 of 40 (permalink) Old 10-18-2006, 08:28 PM
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I was wondering if this was a dilemma for more than just me.

Doing a general clean up lately to rid myself of organic debris, still every time I try and get the CO2 stable the opaque film still comes back even after WC. Adding a power head at the top creating some surface ripples has helped a bit but itís still there.

Iím probably going to tear out some stems and replant this weekend. My Java fern is totally infested with black algae. It could be bba but not sure, itís not hairy just like a black creeping death.

The wood itís attached to is fairly old so the wood may be adding to the additional organic debris in the WC. So time for a wood rotation and re attach the fern after a bleach dip.

Scolly also sent me some of his moss so time for a little change. Good timing.

So I voted that it happens to me but itís manageable.

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post #14 of 40 (permalink) Old 10-18-2006, 09:15 PM
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i get it when my spraybar is submerged with diy co2. was wondering, those with pressurized get this?
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post #15 of 40 (permalink) Old 10-18-2006, 10:07 PM
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I get it with my 20g, even though its been set up for well over a year. I find that adding a small powerhead to aggrevate the surface *a little bit* helps a lot. Also, doing frequent water changes helps. I sometimes don't wait the full week to do a wc. I'll do it after 3 or 4 days if I feel it needs it.

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