South African Skeptics

Useless information chat thread

Faerie · 100 · 17724

Offline Brian

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Anyone got any tips for a green pool?

And no, "throw a few koi in" is not the advice I seek!
Shock dose with chlorine Usually 3/4 times normal dose; wait a while until the dead algae lie on the bottom (greyish) then vacuum until clear. Then adjust Ph. and filter fliter filter.
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Offline Rigil Kent

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And no, "throw a few koi in" is not the advice I seek!
Well of course not: khoi should always be lowered in gently. ;)

Can you see the state of the bottom? When vacuuming you must set your filter to bypass and sommer dump the dirty water directly into your vegetable patch. A sand filter will battle coping with a huge load of dead algae.
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Offline Faerie

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And no, "throw a few koi in" is not the advice I seek!

Thats what the S/O did...  :/

Anyways, I note your restaurant got some good reviews on Hello Peter.

I've always been partial to that boneless chicken dish you offer.


Offline Rigil Kent

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WTF is a boneless chicken?! Does it work for the circus?
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Offline Mutton

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WTF is a boneless chicken?! Does it work for the circus?

Alas, we can no longer get them. Supply became erratic so we had to take them off the menu.
Exactly as the name suggests, a complete chicken with the bones mysteriously removed, probably via a vacuum process. Was very popular and one of my personal favourites as I hate picking up food & the resultant sticky greasy fingers!
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Offline Faerie

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WTF is a boneless chicken?! Does it work for the circus?

Not unless you consider Mutton's place to be one?  Its bloody nice though.

Pity its no longer on the menu though.  >:(


Offline Mutton

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The problem with the pool arose as a result of the hail!

Hail broke the solar heating panels on the roof. So, we had to turn off the filter cycle as water was simply being pumped up on to the roof only to come tumbling down the gutters!

Have now sorted out the bypass valve which was faulty, so can start filtering again....although the solar panel repair is still a victim of the huge pressure that the insurers and contractors are experiencing.
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Offline Rigil Kent

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a complete chicken with the bones mysteriously removed
Mind boggling. The only boneless chicken I'm familiar with comes in the shape of a patty.

Rigil
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Offline Brian

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I don't know where the boneless chicken comes from but Mutton FYI we debone Turkeys/ducks and chicken and create the Turducken...big seller over Xmas!
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Offline Mefiante

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Anyone got any tips for a green pool?
The nature and severity of the pool’s greenness will determine what’s needed.

If you have severe algae growth on the bottom and sides of the pool, you’ll have to: vigorously brush sides & bottom --> drain pool completely --> acid wash inside with further brushing where necessary --> rinse thoroughly & drain --> refill --> get pool chemistry right --> vow never, ever to let the pool get into such bad shape again.

If the water is deep dark pea soup green with little algae growth on the bottom and sides of the pool, you’ll have to brush a little and follow stones’ & others’ advice re shock treatment.  More severe cases may need treatment with a powerful algaecide, followed by a flocculant and vacuuming the sediment to waste (don’t filter it!) before topping up with fresh water.

If it’s only the water and it’s a pale-to-middle green, a cup or two of ordinary chlorine plus running the filter pump a few extra hours for a day or two should do it.

'Luthon64
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Offline Mutton

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Good pool advice all round, thanks all!!

Think we'll start conservatively and patiently and see how we go from there.
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Offline BoogieMonster

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This one time, someone told me to shock treat my pool, but whilst clearing the algae it created a nice bronze finish to the pool lining.

As it turns out, if you've used floaters/blue52/many algaecides/etc. the pool water becomes saturated with copper over time, and all it needs to deposit said copper onto your lining is a good thorough shock treatment. And I don't mean "loose deposits you can vacuum up", I mean it PLATES your pool with copper.

The pool place then recommended I pay "somebody" *wink wink* to come and scrub the stuff off the lining with steel brushes. A hugely expensive exercise, and I'm sure extremely detrimental to the lining itself. I refused, and headed home in a huff.

Then I decided to google the chemistry of what's going on here, and learnt something I found a bit surprising. Some (not all) pool places sell something they like to label "ascorbic acid", which is technically called L-ascorbic acid, but the rest of us would call it Vitamin C. You dump enough Vitamin C in your pool and it binds with said copper and then gets "dissolved" into the water. I found a place that sells a small bottle of concentrate (labeled "ascorbic acid" of course, can't tell the customers what it actually is...) at like, R200? Added to pool water, and 24h later my pool was un-brown again!

Basically, getting rid of said copper (and many other metals that build up over time) from the pool basically requires draining it and replacing the water. (or doing it little by little over time etc). There's no "add this additive" to get rid of such metals, and as such I now always advise people to STAY AWAY from any pool treatment that contains any metal.


ps. If you already knew all this I apologise, I know way too little about pool maintenance.
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Offline Rigil Kent

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I shock treat my pool by skinny dipping. And yes, if you try it at public baths, you may certainly run into trouble with some copper.
You know it's cold outside when you go outside and it's cold.


Offline Mefiante

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Well, you’ll just have to steel yourself against such base metal confrontations with a DC source (5V or higher) and a pair of graphite electrodes.  Just make sure they don’t zinc right to the bottom of the pool, which could leaden you into a bit of a nickel.

'Luthon64
"Sensitive" people are now carefully examining the entire universe, trying to find something to be "offended" at. It won't stop until such time as the "offenders" learn to stop apologizing, and saying "freck off" instead. — brianvds, The ShoutBox Classics, 02/07/2018.


Offline Rigil Kent

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... which could leaden you into a bit of a nickel.
Ja-nee. Dan's jy diep in die strontium.

You know it's cold outside when you go outside and it's cold.