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Old 05-01-2006, 08:26 AM   #11
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Darb21,

Thanks a lot! Now you have me wanting one of these. I have a moderately planted tank and a full stock of fish and always seem to have something floating or fish waste on the bottom. I do a water change, but I tend to get MORE stuff when I add the water back into the tank (even with gravel vac's). I'd love to be able to really stir up the water so all the waste is in the water column and then let this sucker go to work.

QTOFFER or others, what should I be looking for since my tank is a 20gallon high? My other question is will this diatamaceous earth powder bind up my ferts since I'm planted? I'm dosing all the major ferts, and traces, and would be worried that the powder was somehow binding them up, or is the powder simply a sizing filter only?

Thanks.
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Old 05-01-2006, 09:28 AM   #12
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This filter sounds interesting

Quote:
Originally Posted by Darb21
Quote:
Originally Posted by newfound77951
Darb21...what kind of filter did you get, and what size tank do you have? I'm having the same problem on my 55 gal.
How much powder have you been using on your recharges? I've got this whole big bag now, but don't have any clue how much to add... 1 cup? 1/2 cup maybe?
Here you can find instructions .......it says about a cup.

http://diatomfilters.com/contents/en-us/d1.html

How long did it take for the filter to clean up your tank Darb?
And what was your tank size?
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Old 05-01-2006, 09:54 AM   #13
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The instructions call for a cup, but I find about 1 and 1/3 cup works best. The diatom filter will filter everything down to 1 micron, it will even filter Ich as well as other suspended parasites and some algae spores out of the water. The difference it makes in water clarity actually has to be seen to be believed. The downside is the high impellor rate is supposed to reduce the amount of co2 in the water so I only run mine in the evening when the plants are switching fom co2 to o2.
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Old 05-01-2006, 12:20 PM   #14
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Quote:
Originally Posted by 7Enigma
I have a moderately planted tank and a full stock of fish and always seem to have something floating or fish waste on the bottom. I do a water change, but I tend to get MORE stuff when I add the water back into the tank (even with gravel vac's). I'd love to be able to really stir up the water so all the waste is in the water column and then let this sucker go to work.
Do you have plecos? It's simply amazing how much poop those guys can generate between PWCs! You may just have to gravel vac more often. On the other hand, some fish poop in the gravel is a great source of nutrients for your plants. More mechanical filtration (fine particle pad media in your filter, or an additional box or HOB filter) will help remove floating stuff that you can see.

Quote:
Originally Posted by 7Enigma
My other question is will this diatamaceous earth powder bind up my ferts since I'm planted? I'm dosing all the major ferts, and traces, and would be worried that the powder was somehow binding them up, or is the powder simply a sizing filter only?
No need to worry. Diatom powder is inert - it only removes suspended particles. Dissolved ferts stay in the water.
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Old 05-01-2006, 12:28 PM   #15
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Quote:
Originally Posted by 7Enigma
Darb21,

Thanks a lot! Now you have me wanting one of these. I have a moderately planted tank and a full stock of fish and always seem to have something floating or fish waste on the bottom. I do a water change, but I tend to get MORE stuff when I add the water back into the tank (even with gravel vac's). I'd love to be able to really stir up the water so all the waste is in the water column and then let this sucker go to work.
LOL! Sorry! Yeah, the first (and only, so far) time I ran it, I did some reading while it was running and somewhere it was suggested to take the diffuser off of the output side (where the water goes back into the tank) and then use the tube by itself as sort of a jet to kick up the stuff on the bottom and in the corners. It did work really well and I was able to kick up a lot and get a lot out. I just thought it would be really cool to be able to hook up a gravel vac and target the gunky stuff even more. Molly poop is some heavy stuff, so even after you kick it up, it falls back down pretty quickly.

Quote:
Originally Posted by GlitcH
This filter sounds interesting
Here you can find instructions .......it says about a cup.
http://diatomfilters.com/contents/en-us/d1.html

How long did it take for the filter to clean up your tank Darb?
And what was your tank size?
Great! Thanks for the link! I thought I scoured that site pretty good looking for info about it... Must have missed it.

Tank is a 29G... Only took about 40 minutes to make it crystal clear. Once it was clear, I then pulled the diffuser off the output and started targeting specific areas. This is where rigging up a gravel vac would work awesome.

And Roach, thanks for letting me know your experience with it. I'm scheduled for a minor surgery that will have me staying home from work in a couple of days, I plan to run it again hopefully on Wednesday. Not that it necessarily needs it again, but man it makes that water look so pristine and polished... and heck, what else will I have to do? I'll let you know how it works out with about 1 1/3 cups...
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Old 05-01-2006, 04:40 PM   #16
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I am waiting for my D1 to arrive from Big Al's. No improvement on the 55 with other methods (including UV) so i figured it was worth the money. Plus they were on sale!

I can't wait to post before and after pics....none of you will believe how green my tank is. I have 2" visibility max!
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Old 05-01-2006, 05:55 PM   #17
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Ok... LONG POST!

Quote:
Originally Posted by newfound77951
I am waiting for my D1 to arrive from Big Al's. No improvement on the 55 with other methods (including UV) so i figured it was worth the money. Plus they were on sale!

I can't wait to post before and after pics....none of you will believe how green my tank is. I have 2" visibility max!
Ha! You won't be disappointed at all. I am surprised that a UV didn't take care of it though... Anyway, I totally know that feeling. The "pea soup" style meanie greenies...

I've attached a shot of the tank before the blackout (that I mentioned in the original post) as well as a shot of the filter doing its thing. Note that between the two photos a blackout was done (which did NOT cure the problem) as well as 2 large water changes. So this is NOT a direct before/after comparison. I will note that in the clear picture a few things can be observed...

1.) Pretty much anything that you can see that looks like it is in the water column is actually something on the glass. Yes, the water was clearer that the glass at this point. 8O Water also started out a nice shade of "Ice Tea" due to tannins from newly added driftwood. I guess I never thought about it or never realized that tannins would be filterable, but sure enough the "Ice Tea" color transfered from the tank water into the diatom powder.

2.) The whiteish stuff on the surface of the water is actually bubbles that come out of the D-1's exhaust. Explanation can be found on Vortex's site in the FAQs:
Quote:
Oxygen molecules are on the order of 4 Angstroms is size and are unfilterable in the general sense of the word. The Diatom will not filter out the oxygen, in fact it actually reduces carbon dioxide levels in the aquarium because of the speed of the impeller (3,000 R.P.M.). Dissolved gases are liberated and allowed to escape at an accelerated rate.
3.) Yes, those blurs are my fish. Photo was taken using a barstool as a makeshift tripod (note to self, buy cheapo tripod) and no flash with high exposure time.

I will note that Vortex gets a "dismal" rating from me in the documentation department. Other than that, I couldn't be happier with this purchase. I used this link that QTOFFER had posted with a photo series of the setup that you can reference if you need to. (Thanks QTOFFER, these shots helped confirm what I was doing was right!) http://community.webshots.com/album/509004274PoRAHg

You'll really love it, Newfound... Do be sure to take before/after shots. We'd love to see it! Good luck! Let me know if you have any questions.

Attached Images
File Type: jpg pea_soup_web_715.jpg (33.4 KB, 35 views)
File Type: jpg d-1__in_progress___large__126.jpg (110.7 KB, 37 views)
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