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30-03-2016, 08:58 AM | #21 | |
Senior Dragon
Join Date: May 2002
Posts: 4,048
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30-03-2016, 10:19 AM | #22 |
Dragon
Join Date: Apr 2006
Posts: 1,714
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it's confirmed those from higher floors get from tank above and those on lower floor from pipes.
those from tank above usually also lower water pressure. So even if same block also will have diff water conditions for upstairs and downstairs. Was also told chem etc for the tanks above is usually once a week. adding on - different estates the pipes diff age. I will reckon the older blocks will have rusty pipes, algae in pipes etc If only PUB/TC informs residents when they are doin tank cleaning... den we can avoid the chems timely |
03-04-2016, 10:19 PM | #23 |
Arofanatic
Join Date: Jul 2012
Posts: 133
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No issue for me. at sk.
doing 95% weekly at night..for discus No cc. but I do use seachem PH for discus. |
05-04-2016, 10:42 AM | #24 |
Dragon
Join Date: Dec 2010
Posts: 1,254
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It may not be the PH factor.
I am residing in SK and always drink water direct from tap. I've found that on certain days of the month, the chlorine/ fluorine smell is stronger. |
08-04-2016, 08:29 PM | #25 | |
Arofanatic
Join Date: Jan 2009
Posts: 336
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Top 3 to 4 floors will have their system boost by water pump. From first to 4 floors is direct supply from water main. Dosing of chem is done by PUB at pumping main, not at roof. Roof tanks are only washed once a year as regulated by PUB. Water pipes materials are regulated by PUB should not rust because, only copper or SS pipes are allowed. Water mains are using ductile iron lined with cement. Copper/SS pipe will only oxidized. Just my 2 cents worth. |
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08-04-2016, 10:21 PM | #26 | |
Dragon
Join Date: May 2004
Posts: 1,319
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08-04-2016, 11:21 PM | #27 |
Hi there !!! 123
Join Date: Dec 2010
Posts: 3,895
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One thing for sure, tap water after 9pm daily smells strong and heavy in bedok reservoir.
Normally, I let the tap runs for a few minutes before I begin the topping up. So far, no impact to the fish. Last edited by streetsmart73; 08-04-2016 at 11:23 PM. |
09-04-2016, 12:20 AM | #28 |
Senior Dragon
Join Date: May 2002
Posts: 4,048
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So... any idea 11th floor water come from where ?
On another note I took nitrites/nitrates readings from the tap water when I was doing wc earlier today.... very shocked to find nitrites at 0.5 to 1 ppm. Nitrates at 10 to 20 ppm which is expected. But the nitrites is really shocking... |
09-04-2016, 04:32 PM | #29 |
Arofanatic
Join Date: Jan 2009
Posts: 336
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PUB will not dose chem into the tank from what I know.
Water tanks need to be washed once a year and need License Plumber to certified the process and also send water sample to be tested at lab before PUB allows it to be used again. |
09-04-2016, 05:32 PM | #30 | |
Dragon
Join Date: May 2004
Posts: 1,319
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Quote:
Dosing of chem is done by PUB at pumping main, not at roof. or am I confused? |
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