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Old 10-04-2016, 10:54 PM   #31
jason1202
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Quote:
Originally Posted by Heuer View Post
but earlier you mention :
Dosing of chem is done by PUB at pumping main, not at roof.

or am I confused?
Bro, you asking when they dose the chem at tanks leh...

I mentioned they only dose at pumping mains.. not water tanks.

Hope this helps
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Old 10-04-2016, 10:55 PM   #32
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Originally Posted by shermie View Post
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...

It depends how many floors your block is.
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Old 11-04-2016, 12:52 PM   #33
shermie
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Quote:
Originally Posted by jason1202 View Post
It depends how many floors your block is.
block is 21 floors
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Old 11-04-2016, 02:01 PM   #34
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Originally Posted by shermie View Post
block is 21 floors
Your will be gravity feed from water tank above.

The water pressure is control by something call Pressure Regulating Valve.

This pressure can be adjusted to match design flow.

So if your is too small, feedback to TC and ask them to get their plumber to check.

Normal PRV pressure should be with 2.5 to 4 bars.
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Old 14-04-2016, 10:05 PM   #35
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I tested my tap water in Buangkok :it reads 6 . Any Bros tested the water around here?
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Old 14-04-2016, 10:31 PM   #36
kenny
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I stay at a 4-5year Punggol flat. Once in a while will kenna some problems.

The last incident was about 1-2 months ago and it was the worst I've encountered.

I changed ~40-50% for one of my 3ft, and soon my discus got knocked out, so weak that they got sucked by the filter inlet. I immediately transferred everything to another 3ft with only 20-30% WC and they slowly revived. Unfortunately a few Altums got injured so bad that they died one by one over a couple of weeks.
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Old 16-04-2016, 11:47 PM   #37
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I think the ultimate solution to this sort of issue is to use a multi cartridge style inline dechlorination filter for topping up water. At a slow enough flow rate, the unit should capture most of the chlorine in the feed water what ever the ppm.

You can also consider overdosing antichlorine when doing WC. The components in AC are generally not toxic even at 5x recommended dosage.
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