sand in soil

hockeyrichard

Well-Known Member
I'm goin with 3 green o mattics and a sweet dwarf from the tide. Anywho on a recent read I've read cannabis loves sandy soil.I read to use 1/3 perlite, 1/3sand,1/3soil, I've never used sand? Any thoughts on this? I'm using miracle geo perlite,organic soil 10-5-5,and play sand from a local hardware store,the bag said screened cleaned and dried so I presume its safe. What are your guys thoughts on the sand? Any suggestions/ ideas,I was thinking to only do it to 1 of 3 green o matics and using 1/4 perlite and the rest soil. The sweet dwarf ill be topping,yes I know Ur not suppose to top autos,but I germed the wrong seed,so I'm trying to keep an even canopy,ill be using 8 cfls again untill I can afford a hps system and tent
 

Nitegazer

Well-Known Member
Sand is not a good choice, imo. It is heavy and compacts the medium, reducing air and water retention. Anything other than gardening sand is also a risk because of chemicals that may slowly leach into your grow.
 

lowblower

Well-Known Member
I had really good healthy growth every time that ive used John Innes, they are a company who do 'loam' soils, which are rather equal blends of differnt sized particles. I think the sand component to these soils really helps in healthy growth for some reason. Always good growth. Although ive read somewhere that sand doesnt hold certain fertilizer patticles very well, like calcium or magnesium or something, and guess what i got some cal deficiency last grow, but that could have ben for a whole host of reasons, as i fucked up quit a bit (was my first grow) but yeah, do some research into loam soil :/ i give the john innes soil a thumbs up. Not sure about using the ratios you gave, but ive never tried it so wouldnt know
 

hockeyrichard

Well-Known Member
Well guys u talked me outa it,ill do more research on it and just use perlite n soil this go around,cheers mates good luck
 

hotrodharley

Well-Known Member
No 1/3 sand. Sand is used to help promote drainage. It is a very poor medium to grow in. Take it from a desert rat from southern New Mexico. Trust me on this! They like SANDY soil, not sand. Soil that has some sand content in it. Simple enough.
 

Chief Widow

Member
I've always been interested in trying some sand mixed in with the soil on a strain that has kusk in it because of where the kushes came from is the middle east which is a desert region so they may naturally like some sandy soil.
Any thoughts??
 

hotrodharley

Well-Known Member
I've always been interested in trying some sand mixed in with the soil on a strain that has kusk in it because of where the kushes came from is the middle east which is a desert region so they may naturally like some sandy soil.
Any thoughts??
Kush comes from the Hindu Kush mountains. Mountain soils are anything but sandy. Read up on the Hindu Kush range to see what the major rock groups are such as limestone or granite and does it have dolomite etc. Pot does not grow wild in desert regions. Trust me on this sand being a big portion of your soil. Or better yet, don't. Fill your planter a 1/3 full and mix whatever else in. Good luck. It'll drain like a sonofabitch but that's the only strong point.
 

AJgoldy08

Active Member
I had really good healthy growth every time that ive used John Innes, they are a company who do 'loam' soils, which are rather equal blends of differnt sized particles. I think the sand component to these soils really helps in healthy growth for some reason. Always good growth. Although ive read somewhere that sand doesnt hold certain fertilizer patticles very well, like calcium or magnesium or something, and guess what i got some cal deficiency last grow, but that could have ben for a whole host of reasons, as i fucked up quit a bit (was my first grow) but yeah, do some research into loam soil :/ i give the john innes soil a thumbs up. Not sure about using the ratios you gave, but ive never tried it so wouldnt know
I always use John innes potting soil. It's abit sandy but it saves me watering them everyday unlike the barky shit you get.
 

lowblower

Well-Known Member
Yeah i found the John Innes seemed to dry out quicker, but the plants i had in the john innes compared to the miracle grow soil always were able to look healthy no matter how much they were over/under watered. The leaves were also always deep green and stems were stronger, it just seems (on the one outdoor grow i used both on) to give all round healthy plants. I think if i added some dolomite/calcific lime to the mix then i would have had no cal/mag deficiency either. I tried to get some more for my current grow but it was discontinued at my local store :-( so i went for biobizz lightmix with added garden lime, which is doing really well in some 3gal smart pots also. I would like to try the john innes again in the future, maybe for my next grow ill try get hold of some

NB i also found out that the JI soil helped prevent fungus gnats in my outdoor grow. All my miracle grow pots got gnats but the JI didnt, because the sand component obviously helped dry the first couple of centimeters of soil, so it was less favourable for the larval growth :) jus a tip for any garden growers :)
 
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