I will use salt in the plaster mix. what ratio should i use?

Hi,

Ratio: 4:1: 25kg salt

I see that the people on forum say that you must use 25kg salt per 50kg cement. To finish it off, I take a 5L ice-cream container and mix half salt and half cement with water and 'paint' it over the plaster. It gives a crinkle cut finish and then I paint if with black 'waterblok' paint. The small algae love to grow on the slightly uneven surface when your pond starts to settle.

Peter do you dissolve the salt before mixing then add to plaster mix?
Ratio; 4, wheelbarrows sand.
1, bag cement.
1, 25kg salt.

DAVID wrote:

Can you explain how you made the drawing and posted it on the forum?

I just use the paint program available under accessories.

You must dissolve the salt to prevent air pockets. I add water to my concrete mixer, then salt, let it run a while and then add the sand and cement(and I add sikalite)

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Another very good Sika product for ponds is Cemflex but more expensive.

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Hi there
The drawing is easy. How to post on forum. From excel or paint is the question

You just treat it as a normal image. I saved it in JPG format from whatever program I used, ftp it to my own webspace (or photobucket) and post the link on the forum. In my case, I add

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David,

Quote :

Ratio; 4, wheelbarrows sand.
1, bag cement.
1, 25kg salt.

That's correct.

When you mix the lot, make sure that the salt crystals dissolved before the plaster mix is applied

Paul,

I used Cemcrete products building my 55 500lt pond, and I am not impressed at all.

Pieter J de Villiers wrote:

I used Cemcrete products building my 55 500lt pond, and I am not impressed at all.

I was talking about Cemflex, which is a product of Sika. Cemcrete is a total different product.

This topic has been moved from "pond gallery" to "posts on pond building"

Thanks paul
I will try some drawings later

Paul,

sorry my fout................... [You must be registered and logged in to see this link.]

Finally got started again this weekend. I am going to build the inner wall first then
Poor concrete in-between the two walls. Before the slab.
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Any comments ?

I would put the bottom drains about a quarter and 3 quarters up and then divide the pond into two where each is slopped towards each drain..

Hi David

Looking good judging by your picture and sketch i am guessing you inner wall is only 10-cm then ? interesting the different ways you can build a pond, i have basically done the same although my inner walls are two bricks thick and were they go above the ground they will become three bricks thick.

Inner wall finished size will be.
concrete reinforced = 100 mm
brick = 110 mm
plaster = 25 mm
TOTAL = 235 MM
Wall above ground will be 235 + 110 = 345 mm

Hi all some more pic's the pond progress is slow. I do all the work my self
an hour or two at night after work and weekend's.

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Inlet pipe 2 off
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Bottom drain's 110 mm 2 off

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All brick work and filter chambers in will pour concrete soon.
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Hi David

Thats looking good, just a question, is your settlement chamber in the middle, to the left of the filter in the last pic ??

I also assume the pipe sticking out is the skimmer to the settlement chamber ??

Cheers
Lee

Yes to both question's
The part in the middle section will have a settement chamber and all valves. pumps. and uv light.

CONCRETE IN AND WILL START PLASTERING THURSDAY. WILL TAKE 2 DAYS I AM GOING WITH THE COPROX AT 2.5 KG PER 50 KG CEMENT.
ANY COMMENTS ?
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HOPING TO HAVE FISH IN BY MID NOVEMBER.

Looks like you covered your two bottom drains with concrete.

BOTTOM DRAINS STILL THER DID NOT CLEAN THE TOP'S WHEN THE PIC WAS TAKEN CONCRETE TO WET. THANK'S

AFTER A LOT OF RAIN THIS PASSED FEW DAYS. PLASTERING FINALY STARTED AND COMPLETED SUNDAY AFTERNOON.STILL SOME FINAL TOUCH UP'S NEEDED.

SEALED POND OVER THE WEEKEND WITH WATERBLOK. NEED TO FINISH WITH THE CLADDING TILES THIS WEEKEND AND THE PIPE WORK IN THE PUMP SECTION.

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