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UV Cleaning !

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UV Cleaning !

Post by Admin on Mon Nov 07, 2011 7:50 am

When renewing the Phillips 55 watt UV Lamp Annually I first remove the Quartz sleeve and give the entire unit a good clean Very Happy

As you can see below .. unlike in`Hard Water` areas whereby a calcified coating can occur Twisted Evil none has here in the Welsh Tundra because of our soft water Very Happy Algae alone coats the quartz glass Tube.



I then gently toothbrushed the Algae coating off with bleach and rinsed copiously with the hose.





To Dry the inside of said Quartz Sleeve I gently pushed Kitchen Towel Paper through the tube using the UV Lamp itself Very Happy



The Unit was then Flushed several times through both ends prior to re-inserting the Quartz Sleeve and Lamp.




On that occasion I replaced the CLEAR (so one can view the LAMP IS WORKING)`Hosetails` too but no longer have it configured this way choosing instead the `Confused` Phlow approach Laughing



Tip Wink when replacing or re-attaching the `Hosetails` use Food Grade Silicon Grease in preference to Vaseline to ensure no leakage Very Happy



http://www.ebay.co.uk/itm/Silicone-Lube-Grease-1-4-oz-Can-Food-Grade-Dive-Regulator-O-Ring-Scuba-Diving-/290617368474?pt=LH_DefaultDomain_0&hash=item43aa251f9a#ht_500wt_969

I have just spotted a 33 inch flexible brush which might be suitable for cleaning inside the Unit Cool

http://www.ebay.co.uk/itm/170679342711?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649#ht_1704wt_952

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Re: UV Cleaning !

Post by DaveB on Tue Nov 08, 2011 4:21 am

Mio I just recently had to repair my 30 watt UV clarifier with a fibreglass bandage repair kit. ( 15 years old) plastic is now getting a bit brittle. There is a 30w version of the proclear advantage which I can pick up locally for £112.(looks the same as yours) I like the idea of being able to fit the unit without bends. I assume the hosetails can be removed and solvent weld 11/2" nipples can be fitted. I will be looking to replacing the unit in the spring, when I will be changing the bulb anyway

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Re: UV Cleaning !

Post by Admin on Tue Nov 08, 2011 5:02 am

DaveB wrote:Mio I just recently had to repair my 30 watt UV clarifier with a fibreglass bandage repair kit. ( 15 years old) plastic is now getting a bit brittle. There is a 30w version of the proclear advantage which I can pick up locally for £112.(looks the same as yours) I like the idea of being able to fit the unit without bends. I assume the hosetails can be removed and solvent weld 11/2" nipples can be fitted. I will be looking to replacing the unit in the spring, when I will be changing the bulb anyway

Dave the 30 and 55 Watt TMC Pro-Clear Advantage UV`s are just £10 difference in price with `FREE` Delivery if your buying a new model Very Happy Arrow

http://www.ebay.co.uk/sch/i.html?_nkw=tmc+proclear+&_sacat=0&_sop=15&_odkw=dissolved+oxygen+meter&_osacat=0&_trksid=p3286.c0.m270.l1313

I have the 55 watt version which for just £9 extra is well worth it imo.

New Lamps are around £ 14 each Dave Very Happy and you can `Hard Pipe` them which I have not yet done because It`s on an individual pump and I like to see through the translucent hose tails it is working... plus I am no longer running it plumbed both ends ... It is now plumbed underneath ie:- confused phlow.

http://www.tmc-ltd.co.uk/pond/pro-clear-advantage.asp


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Re: UV Cleaning !

Post by DaveB on Tue Nov 08, 2011 7:20 am

I agree regarding the price difference. However I already have another 30 watt UV which I am able to switch one of the UVs off during the winter ie saving 30 watts.( not a fortune but it all counts) Is the 55 watt fitted with one 55w tube or 2 x30 watts tubes and can you switch off one of these tubes if not I will stick with the 30watt. However if I thought there was any evidence to suggest that leaving both tubes on would reduce pathnogenic bacteria then I would reconsider, even though the water stays crystal clear during the winter with only one 30watt UV running

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Re: UV Cleaning !

Post by DaveB on Tue Nov 08, 2011 7:25 am

Admin wrote:
DaveB wrote:Mio I just recently had to repair my 30 watt UV clarifier with a fibreglass bandage repair kit. ( 15 years old) plastic is now getting a bit brittle. There is a 30w version of the proclear advantage which I can pick up locally for £112.(looks the same as yours) I like the idea of being able to fit the unit without bends. I assume the hosetails can be removed and solvent weld 11/2" nipples can be fitted. I will be looking to replacing the unit in the spring, when I will be changing the bulb anyway

Dave the 30 and 55 Watt TMC Pro-Clear Advantage UV`s are just £10 difference in price with `FREE` Delivery if your buying a new model Very Happy Arrow

http://www.ebay.co.uk/sch/i.html?_nkw=tmc+proclear+&_sacat=0&_sop=15&_odkw=dissolved+oxygen+meter&_osacat=0&_trksid=p3286.c0.m270.l1313

I have the 55 watt version which for just £9 extra is well worth it imo.

New Lamps are around £ 14 each Dave Very Happy and you can `Hard Pipe` them which I have not yet done because It`s on an individual pump and I like to see through the translucent hose tails it is working... plus I am no longer running it plumbed both ends ... It is now plumbed underneath ie:- confused phlow.

http://www.tmc-ltd.co.uk/pond/pro-clear-advantage.asp

Mio I have used white UPVC pipework which lights up green when viewing in the dark would this not work with this type of UV. It works with my exsisting one. So just look at it anytime in the dark

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Re: UV Cleaning !

Post by Admin on Tue Nov 08, 2011 8:28 am

I have not tried `Hard` Pipe-work ie the pressure pipe and fittings on the UV to know whether the UV light emitted can be viewed through such because they are much thicker than PVC plumbing pipe Dave ... It might though ?

There is sufficient evidence that UV Sterilizers configured correctly will kill both Parasites and Bacteria IMO ... not to mention Algae themselves who harbour both Viri and bacteria ... Twisted Evil

Eliminating these alone decimates and entire Food Web Very Happy

http://www.americanaquariumproducts.com/AquariumUVSterilization.html#flow

Randy Holmes Farley (chemist) here Arrow

http://www.reefcentral.com/forums/showthread.php?t=2013892

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Re: UV Cleaning !

Post by DaveB on Tue Nov 08, 2011 6:30 pm

Mio I remember visiting a dealer who at the time was having bacterial problems in one of his show vats. On the system he had 10 uv lambs in the hope of iradicating his problems. This was before the use of ozone generators/devices. being somewaht the same perhaps it is wize to leave them running to maintain low levels of pathnogens.

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Re: UV Cleaning !

Post by DaveB on Tue Nov 08, 2011 9:52 pm

Mio
I have been looking at your links regarding dwell time and I am now considering the 55w. The turnover on my pond main filters etc is run with a Aquamax eco 16000 which is 3500 gallons per hour. However with back pressure from UV & heat exchanger, all other bends etc it is probably nearer 2500 galons per hour. This seems to be just the right flowrate for 3ft vortex efficiency with easy screen.Although the 30 watt does the job clarity wise, perhaps the 55w would have a much longer dwell time ( 4000gph as apposed to 3000 gph) and do a better job of reducing pathnogenic bacteria especially in the spring time when kois immune system is lagging behind a bit when temperatures are on the rise. Your thoughts and any clarification on the subject would be appreciated

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Re: UV Cleaning !

Post by Admin on Tue Nov 08, 2011 11:40 pm

Dave I`m running mine separately @ 7,500 lph directly so little loss re phlow Very Happy

At a later date I will add a pre-filter of sorts to ensure `clean` water enters the UV ...

I tested flow rates during an experiment to see whether the UV would `Dechlorinate` Supply water which it did at half the flow of my Garden Hose Pipe proving `Dwell Time`does impact performance.

The Goal is to balance flow rate performance with sufficient dwell time to kill the target Organisms quicker than they can multiply !


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Re: UV Cleaning !

Post by DaveB on Tue Nov 08, 2011 11:59 pm

Mio . One of my UV is after the BB so should be fairly clean, However still quite a fast flow rate. I might look into fitting the UV on my skimmer line at a reduced flow rate or fit a bypass valve on the main one. Whats you thoughts on this

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Re: UV Cleaning !

Post by Admin on Wed Nov 09, 2011 12:18 am

DaveB wrote:Mio . One of my UV is after the BB so should be fairly clean, However still quite a fast flow rate. I might look into fitting the UV on my skimmer line at a reduced flow rate or fit a bypass valve on the main one. Whats you thoughts on this

A By Pass valve would be my choice Dave ...

Clean water flowing through UV`s enhance their performance and keep the Quartz Sleeve from silting up longer.

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Re: UV Cleaning !

Post by DaveB on Wed Nov 09, 2011 12:38 am

Mio All good points

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