Bio sludge control and UV sterilizers mutally exclusive?
Hi folks,
It's been awhile since I was around. It's great to see so many familiar names still active. My name is Elizabeth and I'm a ponder in South Louisiana. My pond is about 2000 gallons, has waterlilies and goldfish, frogs and snakes (and an occasional puppy). No bottom drain installed, sludge build up on bottom is about two inches deep. Water quality is rock solid. pH 7.9, KH 240, GH 120, NO3 & NO4 nonexistant. Reasonably clear, the bottom (20") is visible with a small amount of particulate in the water column. I've never been obsessive about crystal clear water as long as the fish are visible. Crystal generally only happens here in the middle of winter when the water is cold. Traditionally, I have used manual cleaning methods combined with Bio Sludge Controls to keep the crud to manageable levels. Earlier this spring I found a submersible pump/filter/UV sterilizer at clearance pricing that I couldn't resist :-) It worked beautifully to clear up my spring greenies quickly. Question is, can I use the Bio sludge control with the UV light? I'm concerned that it will kill the (bacteria? enzymes?) in the solution. The UV could be unplugged if needed. Thanks for your help. It's great to see everybody, elizabeth |
Bio sludge control and UV sterilizers mutally exclusive?
On Wed, 20 May 2009 09:57:46 EDT, Elizabeth wrote:
It worked beautifully to clear up my spring greenies quickly. Question is, can I use the Bio sludge control with the UV light? I'm concerned that it will kill the (bacteria? enzymes?) in the solution. The UV could be unplugged if needed. Yes you should be fine. The UV is only strong enough to clump the floating algae that cause green water, it isn't strong enough to kill much bacteria in the water column. I'll add usually because in a pond your size you would need a 2Kw UV but I doubt if it's that large :-) Is this your first/only filter? It will take out the floating things that block your vision but you will need to clean it when the flow falls. Be aware also that the UV tube looses efficiency and the bulb needs changing about once a year, you also need to clean the shroud once in a while to allow the light through. Best of luck. -- Regards - Rodney Pont The from address exists but is mostly dumped, please send any emails to the address below e-mail ngpsm4 (at) infohitsystems (dot) ltd (dot) uk |
Bio sludge control and UV sterilizers mutally exclusive?
In article ,
"Elizabeth" wrote: Hi folks, It's been awhile since I was around. It's great to see so many familiar names still active. My name is Elizabeth and I'm a ponder in South Louisiana. My pond is about 2000 gallons, has waterlilies and goldfish, frogs and snakes (and an occasional puppy). No bottom drain installed, sludge build up on bottom is about two inches deep. Water quality is rock solid. pH 7.9, KH 240, GH 120, NO3 & NO4 nonexistant. Reasonably clear, the bottom (20") is visible with a small amount of particulate in the water column. I've never been obsessive about crystal clear water as long as the fish are visible. Crystal generally only happens here in the middle of winter when the water is cold. Traditionally, I have used manual cleaning methods combined with Bio Sludge Controls to keep the crud to manageable levels. Earlier this spring I found a submersible pump/filter/UV sterilizer at clearance pricing that I couldn't resist :-) It worked beautifully to clear up my spring greenies quickly. Question is, can I use the Bio sludge control with the UV light? I'm concerned that it will kill the (bacteria? enzymes?) in the solution. The UV could be unplugged if needed. Thanks for your help. It's great to see everybody, elizabeth I'd just make sure the UV is not one that sits in the filter. Mine is inline before the filter. -- To reply by email, remove the word "space" |
Bio sludge control and UV sterilizers mutally exclusive?
"Kurt" wrote in message ... In article , "Elizabeth" wrote: Snipped for brevity..... Earlier this spring I found a submersible pump/filter/UV sterilizer at clearance pricing that I couldn't resist :-) It worked beautifully to clear up my spring greenies quickly. Question is, can I use the Bio sludge control with the UV light? I'm concerned that it will kill the (bacteria? enzymes?) in the solution. The UV could be unplugged if needed. Thanks for your help. It's great to see everybody, elizabeth I'd just make sure the UV is not one that sits in the filter. Mine is inline before the filter. -- To reply by email, remove the word "space" ... The UV sits inline after the filter media and before the pump. Why does it matter? ... |
Bio sludge control and UV sterilizers mutally exclusive?
"Rodney Pont" wrote in message news:atcfzvasbuvgflfgrzfygqhx.kjyo0s0.pminews@ouse .infohitsystems.ltd.uk... On Wed, 20 May 2009 09:57:46 EDT, Elizabeth wrote: It worked beautifully to clear up my spring greenies quickly. Question is, can I use the Bio sludge control with the UV light? I'm concerned that it will kill the (bacteria? enzymes?) in the solution. The UV could be unplugged if needed. Yes you should be fine. The UV is only strong enough to clump the floating algae that cause green water, it isn't strong enough to kill much bacteria in the water column. I'll add usually because in a pond your size you would need a 2Kw UV but I doubt if it's that large :-) Is this your first/only filter? It will take out the floating things that block your vision but you will need to clean it when the flow falls. Be aware also that the UV tube looses efficiency and the bulb needs changing about once a year, you also need to clean the shroud once in a while to allow the light through. Best of luck. -- Regards - Rodney Pont The from address exists but is mostly dumped, please send any emails to the address below e-mail ngpsm4 (at) infohitsystems (dot) ltd (dot) uk Thanks for your advice. Chances are the filter/UV will only be in use when the water turns green. I got tired of cleaning filters long ago. Around the pond are a couple 'settling' catch basins baffled with cotton rope. Easy to rinse at season's end and remarkably efficient at collecting gunk. I scoop leaves and large debris as needed and let the gunk busters (Ponzyme, Laguna) do the rest. I try to manage to water quality (hardness, alkalinity and nutrient levels) to keep the water clear. elizabeth |
Bio sludge control and UV sterilizers mutally exclusive?
On Wed, 20 May 2009 09:57:46 EDT, "Elizabeth" wrote:
Hi folks, It's been awhile since I was around. It's great to see so many familiar names still active. My name is Elizabeth and I'm a ponder in South Louisiana. My pond is about 2000 gallons, has waterlilies and goldfish, frogs and snakes (and an occasional puppy). No bottom drain installed, sludge build up on bottom is about two inches deep. Water quality is rock solid. pH 7.9, KH 240, GH 120, NO3 & NO4 nonexistant. Reasonably clear, the bottom (20") is visible with a small amount of particulate in the water column. I've never been obsessive about crystal clear water as long as the fish are visible. Crystal generally only happens here in the middle of winter when the water is cold. Traditionally, I have used manual cleaning methods combined with Bio Sludge Controls to keep the crud to manageable levels. Earlier this spring I found a submersible pump/filter/UV sterilizer at clearance pricing that I couldn't resist :-) It worked beautifully to clear up my spring greenies quickly. Question is, can I use the Bio sludge control with the UV light? I'm concerned that it will kill the (bacteria? enzymes?) in the solution. The UV could be unplugged if needed. Thanks for your help. It's great to see everybody, elizabeth Hi Elizabeth! Just turn off the UV for a day or two... though you could call the manufacturer and see what they recommend. Would be interesting to know for sure. ~ jan ------------ Zone 7a, SE Washington State Ponds: www.jjspond.us |
Bio sludge control and UV sterilizers mutally exclusive?
In article ,
"Elizabeth" wrote: "Kurt" wrote in message ... In article , "Elizabeth" wrote: Snipped for brevity..... Earlier this spring I found a submersible pump/filter/UV sterilizer at clearance pricing that I couldn't resist :-) It worked beautifully to clear up my spring greenies quickly. Question is, can I use the Bio sludge control with the UV light? I'm concerned that it will kill the (bacteria? enzymes?) in the solution. The UV could be unplugged if needed. Thanks for your help. It's great to see everybody, elizabeth I'd just make sure the UV is not one that sits in the filter. Mine is inline before the filter. -- To reply by email, remove the word "space" .. The UV sits inline after the filter media and before the pump. Why does it matter? .. There are those UV clarifiers that can be placed in the filter. It will kill the good bacteria that do all the filter work as well as algae. -- To reply by email, remove the word "space" |
Bio sludge control and UV sterilizers mutally exclusive?
On Fri, 22 May 2009 20:46:26 EDT, Kurt wrote:
There are those UV clarifiers that can be placed in the filter. It will kill the good bacteria that do all the filter work as well as algae. Hi Kurt, It won't kill any of the filter bacteria. UV clarifiers aren't powerful enough to kill bacteria, that's a UV sterilizer as used in aquariums. Even with a UV sterilizer it can only kill bacteria that passes through the tube containing the bulb and can't kill anything in the filter. UV sterilizers use about 10W per gallon, for example - can't remember the figure these days but it is very high compared to a clarifier. -- Regards - Rodney Pont The from address exists but is mostly dumped, please send any emails to the address below e-mail ngpsm4 (at) infohitsystems (dot) ltd (dot) uk |
Bio sludge control and UV sterilizers mutally exclusive?
In article
ohitsystems.ltd.uk, "Rodney Pont" wrote: On Fri, 22 May 2009 20:46:26 EDT, Kurt wrote: There are those UV clarifiers that can be placed in the filter. It will kill the good bacteria that do all the filter work as well as algae. Hi Kurt, It won't kill any of the filter bacteria. UV clarifiers aren't powerful enough to kill bacteria, that's a UV sterilizer as used in aquariums. Even with a UV sterilizer it can only kill bacteria that passes through the tube containing the bulb and can't kill anything in the filter. UV sterilizers use about 10W per gallon, for example - can't remember the figure these days but it is very high compared to a clarifier. Thanks for that "clarification" :-). I had gotten my information from a seasoned pond guy. Made sense. I have an inline 40 Watt UV clarifier. Pretty bright bulb. Made sense that one that powerful would affect other bacteria. -- To reply by email, remove the word "space" |
Bio sludge control and UV sterilizers mutally exclusive?
On Sat, 23 May 2009 15:27:33 EDT, Kurt wrote:
Thanks for that "clarification" :-). I had gotten my information from a seasoned pond guy. Made sense. It's easy to get confused by this. When the filter bacteria are just getting started you want them spread around in the water column because the grow on everything so it's always advisable to turn the tube off for that. They do kill some of the bacteria passing through and you don't really want that. Once it's established in the filter though it's safe even if you are running at killer levels :-) I have an inline 40 Watt UV clarifier. Pretty bright bulb. Made sense that one that powerful would affect other bacteria. Heres a link to some sterilizers on sale in the UK as an example: http://www.aquatics-online.co.uk/cat...terilisers.asp To kill everything you have to get all of the water through the UV light in about 20 minutes so that you don't give the bacteria time to breed. You then also have to limit the flow rate so that the bacteria is exposed for long enough for it's DNA to be disrupted. The first two use the shorter T5 tube so flow rates have to be lower than the second two using the T8 tube. My badly remembered 10W per gallon was way out, it looks more like 5 gallons per watt so your 40W unit would be ok to sterilize a 200 gallon pond providing you didn't pump the water through at more than 600 gallons per hour (all UK gallons by the way). You can see the pond clarifiers if you go into the pond section. Your 40W unit will do something like 6-7 thousand gallons and even larger but not as quickly. -- Regards - Rodney Pont The from address exists but is mostly dumped, please send any emails to the address below e-mail ngpsm4 (at) infohitsystems (dot) ltd (dot) uk |
Bio sludge control and UV sterilizers mutally exclusive?
the biofilter bacteria arent in the water column. they are colonies on the media. so
UV doesnt kill them. Ingrid Somewhere between zone 5 and 6 tucked along the shore of Lake Michigan on the council grounds of the Fox, Mascouten, Potawatomi, and Winnebago |
Bio sludge control and UV sterilizers mutally exclusive?
In article
ohitsystems.ltd.uk, "Rodney Pont" wrote: On Sat, 23 May 2009 15:27:33 EDT, Kurt wrote: Thanks for that "clarification" :-). I had gotten my information from a seasoned pond guy. Made sense. It's easy to get confused by this. When the filter bacteria are just getting started you want them spread around in the water column because the grow on everything so it's always advisable to turn the tube off for that. They do kill some of the bacteria passing through and you don't really want that. Once it's established in the filter though it's safe even if you are running at killer levels :-) I have an inline 40 Watt UV clarifier. Pretty bright bulb. Made sense that one that powerful would affect other bacteria. Heres a link to some sterilizers on sale in the UK as an example: http://www.aquatics-online.co.uk/cat...terilisers.asp To kill everything you have to get all of the water through the UV light in about 20 minutes so that you don't give the bacteria time to breed. You then also have to limit the flow rate so that the bacteria is exposed for long enough for it's DNA to be disrupted. The first two use the shorter T5 tube so flow rates have to be lower than the second two using the T8 tube. My badly remembered 10W per gallon was way out, it looks more like 5 gallons per watt so your 40W unit would be ok to sterilize a 200 gallon pond providing you didn't pump the water through at more than 600 gallons per hour (all UK gallons by the way). You can see the pond clarifiers if you go into the pond section. Your 40W unit will do something like 6-7 thousand gallons and even larger but not as quickly. Mine is overkill. I have about a 1000 gal pond with a 3000GPH pump running 1.5" tubing,including the 40 watt Pondmaster clarifier ( http://www.aquatichouse.com/UVSteril...s/DannerUV.asp ) into a Savio Livingponds waterfall filter. Water enters/exits clarifier through elbow fitting, so water, I'm assuming, is slowed a bit. -- To reply by email, remove the word "space" |
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