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#16
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(Koi-lo) - more vortex DE filter discussion...
"Steve Michie" wrote in message ... For tanks bigger than 30 gals you probbaly need an XL. The D1 just takes too long above that size. It'll work to be sure but how much time (or how many tanks) ya got? I've just got a single 55 gal tank. Cheers. ======================== My D1 handles my two 55g tanks without a problem, and I have goldfish in these tanks. It clears then in under 2 hours with no more than 1/2 to 3/4s cup of DE from Lowe's (made for pool filters). -- Koi-Lo.... frugal ponding since 1995... Aquariums since 1952 My Pond & Aquarium Pages: http://bellsouthpwp.net/s/h/shastadaisy ~~~ }((((o ~~~ }{{{{o ~~~ }(((((o |
#17
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(Koi-lo) - more vortex DE filter discussion...
Mid posted.
Steve Michie wrote: "Richard Sexton" wrote in message ... I think what happens in this case is there is dissolved gas in the (usually new tapwater?) that you charge the diatom with. What you add diatom powder and let it run some of the gas comes out of solution in the filter pleats. Diatom powder can't cover tha hole and eventually the bubble dissolves back into solution leaving a hole in the powder coating. a very possible and likely explanation - I'm happy to bust the x-file with that !!! :-) I stumbled by accident on truning the filter off, letting all the powder start to settle then turning it back on. This seems to dislodge all the bubbles. What works too is to use aquarium, not fresh tap water when charging the filter. it contains less dissolved gasas. yep - i have only ever charged with aquarium water - but my co2 injection prolly causes enough gas to be dissolved into solution to give the above effect - and now that I think of it - I just might have had my gas off for at least a few days prior to my 3rd charge - (was getting desperate - I thought no fertilizer & no co2 might help algae to die off) - no co2 dissolved in solution = uniform coating of DE powder on bag - your theory is seeming more & more probable by the minute !! ;-D So, this does seem to help avoid the "cloudies" when no matter what you do you seem to have a file layer of diatom powder in your tank. Keep in mind though you should NEVER turn the filter off and on or try to charge it in the tank itself. use a one gallon jar. ??? Never turn the filter off ?? you've lost me... u said u turn it off momentarily to cure ur bubble on bag problem - and now ur saying to never turn it off ? huh ? He probably means that while the tubing is submerged or that only turn it off while using the container (one gallon jar) as diatomaceous earth might e scape into the tank causing a slight cloudiness of it's own which settles soon in most setups. Good luck and later! For tanks bigger than 30 gals you probbaly need an XL. The D1 just takes too long above that size. It'll work to be sure but how much time (or how many tanks) ya got? I've just got a single 55 gal tank. Cheers. |
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