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#1
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Freakin' UV kight
I recently purchased a UV clarifier. My water has been green for about
a month or more now. Hyacintch not really taking off, we are now getting into 80+ degree weather in GA. My pond gets full sun from about 11AM to about 6PM. Not good, I know. My pond at its fullest is ~1750 gallons. The UV I purchased is rated for 4400 gallons @1000 GPH MAX flow. Ideal flow rate through the UV being 500-1000 GPH. Now, I have the flow at around 850 GPH, best estimate. The UV has been running for 48 hours straight into a (temporary)filter made from a five gallon bucket stuffed with quilt batting. The pond is showing NO signs whatsoever of clearing. It looks tha same as when I first fired up the UV. I have not had to rinse my quilt batting out so far. Last week it rained just about every day, 7 days straight and was of course, overcast the whole week. The green started showing signs of clearing on its own after all the rain. I hooked up the UV and 48 hrs later....nothing. Am I rushing things too much? |
#2
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Oops, sorry. Its a Turbo twist 6x, 18 watt. Rated for 4400 gallons. Of
course even if it was only capable of doing 2200g, That is still more than what Im using it for. |
#3
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2 days? First timers should wait 7 days, or perhaps a
lot longer if you have green soup now. I'd pull the batting out since it's only going to clog (way too small -- you said 5-gallon bucket?). And you're sure that the UV lamp is on...(never look directly at the lamp -- use a mirror, else you WILL turn to stone). This is presuming that you are pumping all water through the UV, and not bypassing. It can take a couple of weeks or more for all the full effect. When you noice that you've got less green hairs (goop if you dump it) in your pump basket (or whatever first-stage filter you have), that's when it's going good. The water may be clear(er), but until there's actually less goop collected, it's still not all the way there. -- '`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`''`'`'`'`'`'`'`' `'`'`''`'`'`'`'`'`'`' SLOTHEAD |
#4
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Yeah, UV is defienately working. I checked that twice already, of
course now I have a permanent hole scorched through my skull, but it wasnt too bad. The batting hasnt even need to be cleaned yet. I pulled it this afternoon just to see what was up. It had some brown slimy-looking stuff trapped(dead algae?) and then the rest was just sort of stained green from the water. It cleaned out fine, I put it back in. I could crank the flow down some, but then I would only be circulating a little less than1/3 the pond volume per hour. Would this be ok? |
#5
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"robv60" wrote in message oups.com... Yeah, UV is defienately working. I checked that twice already, of course now I have a permanent hole scorched through my skull, but it wasnt too bad. The batting hasnt even need to be cleaned yet. I pulled it this afternoon just to see what was up. It had some brown slimy-looking stuff trapped(dead algae?) and then the rest was just sort of stained green from the water. It cleaned out fine, I put it back in. I could crank the flow down some, but then I would only be circulating a little less than1/3 the pond volume per hour. Would this be ok? =================== The slower it goes through the UV light the better the kill. -- McKoi.... the frugal ponder... EVERYONE: "Please check people's headers for forgeries before flushing." NAMES ARE BEING FORGED. Do not feed the trolls. ~~~ }((((o ~~~ }{{{{o ~~~ }(((((o |
#6
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wrote in message ... 2 days? First timers should wait 7 days, or perhaps a lot longer if you have green soup now. I'd pull the batting out since it's only going to clog (way too small -- you said 5-gallon bucket?). And you're sure that the UV lamp is on...(never look directly at the lamp -- use a mirror, else you WILL turn to stone). Um, mirrors don't really help enough to matter. Never look directly at the lamp unless you have, like, those amber-colored 'blue-blocker' glasses on, and then only for a fraction of a second. Better yet, stick a piece of yellow paper in the beam and look at that. It doesn't take much long wave UV to screw you up, and it is somewhat cumulative. In fluorescence microscopy we deal with it all the time. -cmb |
#7
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i was just concerned about the water flowing too slow. Just seems like
if it were going too slow, it wouldnt turn over the entire volume of the pond often enough and maybe the algae would grow quicker then the UV could kill it, you know what Im trying to say? Plus . im a little concerned that I may be taxing my pump too much. We have a HUGE waterfall so I am using a 3600GPH pump to raise the water to about 5.5' of head. I have the waterfall turned off because we are having problems with leakage and evaporation with the falls on, I mean ALOT of water loss here. So I have a diverter valve pumping to the uv and no water coming through the falls, So essentially Im running a 3600GPH pump @ 850 GPH. Probably going to burn it up. Ill turn it down a little more though and see what happens. |
#8
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I was just reading around on the newsgroup and read something about
needing to turn over the entire water volume through the UV onve every two hours so that the UV can "stay ahead" of the fast growing algae. Is this a good recoomendation, because if it is, then I could actually turn my flow UP a little. !750g / 2 = 875. Im currently flowing at ~ 850GPH. |
#9
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"robv60" wrote in message oups.com... i was just concerned about the water flowing too slow. Just seems like if it were going too slow, it wouldnt turn over the entire volume of the pond often enough and maybe the algae would grow quicker then the UV could kill it, you know what Im trying to say? Plus . im a little concerned that I may be taxing my pump too much. We have a HUGE waterfall so I am using a 3600GPH pump to raise the water to about 5.5' of head. I have the waterfall turned off because we are having problems with leakage and evaporation with the falls on, I mean ALOT of water loss here. So I have a diverter valve pumping to the uv and no water coming through the falls, So essentially Im running a 3600GPH pump @ 850 GPH. Probably going to burn it up. Ill turn it down a little more though and see what happens. ================================ Before burning out a good pump I would buy a cheaper smaller one for your UV light. Also trying something like tall plants or large water lilies to shade the water would probably help with the algae problem. -- McKoi.... the frugal ponder... EVERYONE: "Please check people's headers for forgeries before flushing." NAMES ARE BEING FORGED. Do not feed the trolls. ~~~ }((((o ~~~ }{{{{o ~~~ }(((((o |
#10
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"robv60" wrote in message oups.com... I recently purchased a UV clarifier. My water has been green for about a month or more now. Hyacintch not really taking off, we are now getting into 80+ degree weather in GA. My pond gets full sun from about 11AM to about 6PM. Not good, ............... ====================== I got the best results from my UV lights (Tetra brand) when used at around 1/2 the max gph they recommended. It took them less than a week to clear the ponds. Now I depend on plant filtration (to starve the algae) and large water lilies to shade the water. So far so good. -- McKoi.... the frugal ponder... EVERYONE: "Please check people's headers for forgeries before flushing." NAMES ARE BEING FORGED. Do not feed the trolls. ~~~ }((((o ~~~ }{{{{o ~~~ }(((((o |
#11
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Mine isnt showing any signs of clearing after about 4 1/2 days of
running. I have an 18 watt turbo twist 6x flowing at 850GPH in a 1750 gallon pond that gets full sun for about 6 hours a day. The quilt batting in the filter has been gunked up with some brownish/gray muck(dead algae?) the last two days though. So maybe its working, just not working wellt enough to keep up with the algae's rate of growth. |
#12
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"robv60" wrote in message oups.com... Mine isnt showing any signs of clearing after about 4 1/2 days of running. I have an 18 watt turbo twist 6x flowing at 850GPH in a 1750 gallon pond that gets full sun for about 6 hours a day. The quilt batting in the filter has been gunked up with some brownish/gray muck(dead algae?) the last two days though. So maybe its working, just not working wellt enough to keep up with the algae's rate of growth. ======================= I'm not sure if this was recommend yet or not - but if you see no changes in another week you may want to buy test kits for Nitrogen and Phosphorus and see if you have an unusual amount in your pond. Certain times of the year our water contains a lot of nitrogen, probably from farms in the area. Any nitrogen or phos' that enters my ponds and pools would be sucked right up by the plants. Right now my fry pools are clearing of "green water" as the fry are eating regular fish food and no longer need this type of water. I stopped adding the 10-10-10 last week. Can you imagine - I had to add fertilizer to get the pea-soup needed by the fry! -- McKoi.... the frugal ponder... EVERYONE: "Please check people's headers for forgeries before flushing." NAMES ARE BEING FORGED. Do not feed the trolls. ~~~ }((((o ~~~ }{{{{o ~~~ }(((((o |
#13
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Good suggestion, I did put some small chunks of evergreen fertilizer
spikes in my lily pots just before the snapping turtle decided they needed to go. Three potted lillies, I put 1, 1/2" sized chunk in each pot. The pond had started to get a little cloudy and I put a little 0-0-22 in for my hyacinth, the pond was greening up sverely the very next day and has been green ever since. This has been probably at LEAST a month ago though. |
#14
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"robv60" wrote in message oups.com... Good suggestion, I did put some small chunks of evergreen fertilizer spikes in my lily pots just before the snapping turtle decided they needed to go. $$ I use Jobe's Rose Spikes and have seen no greening up of the water. They dissolve slowly.... Three potted lillies, I put 1, 1/2" sized chunk in each pot. The pond had started to get a little cloudy and I put a little 0-0-22 in for my hyacinth, the pond was greening up sverely the very next day and has been green ever since. This has been probably at LEAST a month ago though. $$ Let us know what your N-P is....... I don't even buy the test kits anymore. Also make sure you check the water as it leaves your tap. -- McKoi.... the frugal ponder... EVERYONE: "Please check people's headers for forgeries before flushing." NAMES ARE BEING FORGED. Do not feed the trolls. ~~~ }((((o ~~~ }{{{{o ~~~ }(((((o |
#15
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Rob,
Try to be patient, and I recommend that you do not turn down you pump any more. A pond over 1000 gallons needs to be turned over at least once every 2 hours- more if you have a high fish load. What type of filtration system do you have? I would use the diverter valve and pump some to the UV and the rest to a filter system until your falls are fixed. I am assuming your falls are part of your filtration system- yes? If you are relying on quilt batting only to get the dead algae then I think you need more. Let us know more about your filter so we can help you more. Is this also a fish pond? |
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