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San Rainbow
Calm and Collected
San Rainbow

Number of posts : 172
Location : south of the border
Registration date : 2008-04-21

your preferred propagating sand Empty
PostSubject: your preferred propagating sand   your preferred propagating sand EmptyThu May 08, 2008 7:55 pm

Hi all, just wondering were do you get your preferred propagating sand from?

any particular brand?

or DIY recipe?
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Hellonasty
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Hellonasty

Number of posts : 1824
Location : NSW
Registration date : 2008-04-04

your preferred propagating sand Empty
PostSubject: Re: your preferred propagating sand   your preferred propagating sand EmptyFri May 09, 2008 12:18 am

Use any landscaping or bricklaying sand. River sand is ok but bricklaying sand has varying size particles and does the job well.
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trigonus
Admin & Cactus Fiend
trigonus

Number of posts : 879
Location : coastal NSW 1C - 40C
Registration date : 2008-01-23

your preferred propagating sand Empty
PostSubject: Re: your preferred propagating sand   your preferred propagating sand EmptyFri May 09, 2008 10:53 am

I use Nepean River Sand (I suspect that this is a Sydney thing as the Nepean is a NSW river) which is actually a bricklayers product and has various sized particles. I get a 20kg bag for $5 at my local Mitre 10, only annoying thing is it tends to need to be seived and washed, but it's good for the price.

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San Rainbow
Calm and Collected
San Rainbow

Number of posts : 172
Location : south of the border
Registration date : 2008-04-21

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PostSubject: Re: your preferred propagating sand   your preferred propagating sand EmptyFri May 09, 2008 6:23 pm

dose the bricklayer / landscaping sand come in grads, or is it one fits all? I am based in Melbourne at the mo hope my local hardware shop carries something like this, and I prey to god it doesn't come out of the yarra...
sieved and washed keeping the bigger bits, sterilization?
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trigonus
Admin & Cactus Fiend
trigonus

Number of posts : 879
Location : coastal NSW 1C - 40C
Registration date : 2008-01-23

your preferred propagating sand Empty
PostSubject: Re: your preferred propagating sand   your preferred propagating sand EmptyFri May 09, 2008 6:28 pm

Yeah keep the larger sized stuff I don't usually sterilise, but it is recommended.

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sacred pedro

sacred pedro

Number of posts : 53
Location : melbourne
Registration date : 2008-04-30

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PostSubject: Re: your preferred propagating sand   your preferred propagating sand EmptySun May 11, 2008 9:02 pm

knowing what microwaves do to food nutririonally, wouldnt this have the same effect on the soil? stupid question i know.
i might try steaming mine when i do it scratch
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calycium
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calycium

Number of posts : 416
Location : Adelaide, SA
Registration date : 2008-04-06

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PostSubject: Re: your preferred propagating sand   your preferred propagating sand EmptySun May 11, 2008 9:07 pm

Microwaves heat water vapour by agitating it with radiation in the low GHz until it gets hot. Your sand should be cleaner and tastier when it's microwaved, but I wouldn't advise eating it. Soil particles could get burned if "cooked" for too long - don't overdo it!

Nutrition content is not a concern while germinating seed initially, its a nice haven for cacti roots to get air and water once planted.
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slim6y
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slim6y

Number of posts : 176
Location : Cairns
Registration date : 2008-04-26

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PostSubject: Re: your preferred propagating sand   your preferred propagating sand EmptySun May 11, 2008 9:11 pm

I'm fairly positive the main aim of the sterlisation is to kill the bugs right... Well some bugs have this nasty habbit of forming cysts that protect them over the harsh times.

Steaming would probably get the soil to 100'C but the subsequent condensation would probably just encourage the bugs if they survive.

You're probably better getting a seed raising mix or following a soil sterlising guide - I read one on here the other day.

I baked my sand at quite high temperatures for quite some time. This makes sure that cysts etc die.

Though I am quite convinced my sand is free of parasites anyway Razz
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sacred pedro

sacred pedro

Number of posts : 53
Location : melbourne
Registration date : 2008-04-30

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PostSubject: Re: your preferred propagating sand   your preferred propagating sand EmptySun May 11, 2008 9:31 pm

thanks for the tip, was the sand dry before you put it in the oven? how long did you bake it for?
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slim6y
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slim6y

Number of posts : 176
Location : Cairns
Registration date : 2008-04-26

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PostSubject: Re: your preferred propagating sand   your preferred propagating sand EmptyMon May 12, 2008 8:39 am

The sand was dry yes - but it was plucked from the side of a river bank. It was baked in a roasting dish (haha, don't tell the misses Razz) for around 30 minutes until golden brown then placed in the sunlight for UV to do the rest!

Because it's not silt or clay, the heat won't cause any transferral of nutrients or change the structure. The drying out process kills live bacteria, seeds, etc and the heating past 100'C for over 5 minutes (preferably 30 minutes) should destroy the possibility of cysts.
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