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#1
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UG filters
What are the advantages/disadvantages to an undergravel filter?
(especially when growing plants) Thanx, Lynsey. |
#2
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UG filters
On Mon, 9 Dec 2002 23:47:18 -0000, "lynsey"
wrote: What are the advantages/disadvantages to an undergravel filter? (especially when growing plants) Thanx, Lynsey. Disadvantage is the roots get tangled in them. Makes it hard to move plants or remove plants. As far as advantages I can't think of any that over come the major disadvantage. |
#3
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Oh. I just finished getting myself disentangled from this thread the other
day. I seem to be becoming the official board UGF advocate. And I never seem to have a problem with roots getting tangled in the plates. Advantage: stem plants by and large seem to do better in UGF systems because they are less prone to root rot. Disadvantage: swords and other heavy root feeders do not do as well because you can't easily use solid fertilizer tabs/spikes (they melt away quite quickly). I've had poor luck with some crypts, too. Advantage: in my experience, I've found it easier to establish and maintain equilibrium in UGF systems, probably because of the enhanced circulation and because, using nearly pea-size gravel and being able to flush out under the plates, you can get things really, really clean, as compared to a conventional setup. I like inserting my CO2 bubbles at the bottom of the riser tubes. By the time the powerhead impeller is done with it, very little of the bubble gets to the surface. A UGF system, in theory, does a superior job of filtering because the entire gravel bed becomes a biologic extension of your mechanical filter. If you end up using an undergravel filter, I recommend against using bubbles, at least during the day. kush "You can't have everything - where would you put it?" Cannibul wrote in message news On Mon, 9 Dec 2002 23:47:18 -0000, "lynsey" wrote: What are the advantages/disadvantages to an undergravel filter? (especially when growing plants) Thanx, Lynsey. Disadvantage is the roots get tangled in them. Makes it hard to move plants or remove plants. As far as advantages I can't think of any that over come the major disadvantage. |
#4
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UG filters
LeighMo took issue with the oracle thusly ... I have never had stem plants get root rot, with or without a UGF. Then you must be one of the minority who does things the right way every time. If you take the time to strip the lower leaves and plant each stem individually, root rot shouldn't happen. If, like me, you're occasionally (often? chronically?)) lazy or in a rush and just jam a bunch of plants into the gravel, it helps to have water circulating through the substrate. kush |
#5
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UG filters
I'm with Leigh. I don't get root rot on any plants, stem or otherwise. Stem
plants are seldom in the Flourite more than a month anyhow! I researched UGF for planted tanks way back when I started mine. George Booth had a great slide in one of his presentations: "This (lush) tank dispells the myth that plants can't grow with a UGF." Then he explained how he only had to break down the tank every 6 months to untangle the roots! I decided UGF wasn't for me. |
#6
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Dave Millman wrote in message ...
I'm with Leigh. I don't get root rot on any plants, stem or otherwise. Stem plants are seldom in the Flourite more than a month anyhow! I researched UGF for planted tanks way back when I started mine. George Booth had a great slide in one of his presentations: "This (lush) tank dispells the myth that plants can't grow with a UGF." Then he explained how he only had to break down the tank every 6 months to untangle the roots! I decided UGF wasn't for me. You can read my post on the APD of RFUG's using CPVC piping(Smaller than regular PVC). These never get tangled, clogged and grow plants excellent. This style of UG also works very well with the finest of sands and cost about 5-10$ for most any size tank. But you don't need it, flourite+ peat and mulm does the trick much better. Regards, Tom Barr |
#8
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UG filters
"kush" wrote in message ...
What can I say except the entire world is wrong except for me? How dare you all question the vast warehouse of aquatic plantgrowing knowledge which is kush, or attempt to tarnish my wondrous splendiferousness? Excuse me, I have to go take my medications. kush :) There are many things that appear to be assumed and written into dogma about planted tanks. Blasphemy has been slow exacerabting in the pews for a few years now........... Don't you worry none though........I spent many years with my pals Algae. Regards, Tom Barr |
#9
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LOL. Very, very funy. Kush, you gotta good sense of humor-- Bruce Geist
kush wrote in message ... What can I say except the entire world is wrong except for me? How dare you all question the vast warehouse of aquatic plantgrowing knowledge which is kush, or attempt to tarnish my wondrous splendiferousness? Excuse me, I have to go take my medications. kush wrote in message m... Dave Millman wrote in message ... I'm with Leigh. I don't get root rot on any plants, stem or otherwise. Stem plants are seldom in the Flourite more than a month anyhow! I researched UGF for planted tanks way back when I started mine. George Booth had a great slide in one of his presentations: "This (lush) tank dispells the myth that plants can't grow with a UGF." Then he explained how he only had to break down the tank every 6 months to untangle the roots! I decided UGF wasn't for me. You can read my post on the APD of RFUG's using CPVC piping(Smaller than regular PVC). These never get tangled, clogged and grow plants excellent. This style of UG also works very well with the finest of sands and cost about 5-10$ for most any size tank. But you don't need it, flourite+ peat and mulm does the trick much better. Regards, Tom Barr |
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