Soil Mix Question

Soil Mix Question#301193

By Raistlarn -  Sat Aug 19, 2017 6:47 am
Posts:  300
Joined:  Tue Nov 01, 2016 2:20 am

- Sat Aug 19, 2017 6:47 am #301193

Somethings been bothering me for awhile. When someone lists a soil mix as 1:1 sand, peat, are they referring to by weight or volume. I ask this, because all the posts I see that make the 1:1 comparison gloss over whether it is volume or weight. I think it might be weight, because volume in a 1:1 peat, sand mix seems like pure sand, but I'm not sure. So can someone please help clarify this.

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Re: Soil Mix Question#301194

By Bob Beer -  Sat Aug 19, 2017 7:01 am
Posts:  588
Joined:  Sat Jun 04, 2016 7:39 am

- Sat Aug 19, 2017 7:01 am #301194

Eyeball it. Volume. A pile of peat and a comparable pile of sand.

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Re: Soil Mix Question#301195

By Bob Beer -  Sat Aug 19, 2017 7:02 am
Posts:  588
Joined:  Sat Jun 04, 2016 7:39 am

- Sat Aug 19, 2017 7:02 am #301195

Make sure it's coarse silica/quartz sand.

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Re: Soil Mix Question#301196

By Raistlarn -  Sat Aug 19, 2017 7:02 am
Posts:  300
Joined:  Tue Nov 01, 2016 2:20 am

- Sat Aug 19, 2017 7:02 am #301196

Of course. I also forgot the question wet peat or dry peat?

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Re: Soil Mix Question#301205

By boarderlib -  Sat Aug 19, 2017 2:03 pm
Posts:  1641
Joined:  Fri Dec 04, 2015 1:13 pm

- Sat Aug 19, 2017 2:03 pm #301205

I count dry scoops. As far as I've ever noticed peat doesn't swell enough when hydrated to make that big of a difference in the mix ratio.

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Re: Soil Mix Question#301239

By nimbulan -  Sat Aug 19, 2017 7:44 pm
Location:  Portland, OR zone 8b
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Joined:  Fri Feb 28, 2014 9:03 pm

- Sat Aug 19, 2017 7:44 pm #301239

boarderlib wrote:I count dry scoops. As far as I've ever noticed peat doesn't swell enough when hydrated to make that big of a difference in the mix ratio.

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Peat doesn't swell too much, but wet peat does pack FAR better than dry peat and that can significantly affect your measurements. I usually measure out mostly dry peat packed fairly well, to match the same volume of sand.

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