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Playing in the sand !

Potted

Potted

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I have a soil grow O.F. In smart pots 5gal.under 600 watts. I've been using sand on top of the soil to prevent any cridders from laying eggs it's always worked I have a friend who suggested diatomaceous earth, I thought it was the coarseness or sharpness of the granule that prevents the little bugger from nesting? Is thier any diff. Between the two? Come on out u soil growers tell me what u think!
 
Hi Potted, not really a soil grower I'm afraid but I use diatomaceous earth all the time :)
Diatomaceous earth is a super fine dust, it's microscopically jagged, punctures bugs shells and they dehydrate. I read somewhere that it's actually more effective to do a light powedering/dusting than to drop clumps of it down ... better coverage or something. I think sand acts more as a barrier and a generally inhospitable environment
 
I don't suggest putting sand in or on any potted plants..ever....not good enough airflow..

Diotomaceous earth is the key for your issues.
 
Yes exactly that. So the sand makes a physical barrier and the diatomaceous earth is a bug killer, it can be used anywhere and doesn't harm any plant or animals
 
DE will need to be added after each watering (only works when dry) and must be Food grade to work and not harm the plant. It also adds trace elements to the soil
 
But pretty much all you find is food grade cause is used mixed with cattle food to deparasite. The "trace" element left behind is silica so the only thing to worry about is ph rising. And yes it stops working when wet, you don't even have to water on top, it will pull moisture from the soil, so is better if you use it around the growroom in the floor in the corners and edges to stop crawling bugs from coming in. It's not the best for flying bugs. There are other things like strips that work better
 
The DE carried at the stores like Lowes and Home Depot is not Food grade DE but the stuff you use in pool filters.
 
Thanks to all who replied,duly noted,I think I will try a combo of both a spinkel of sand like sugar on a bowl of cereal once or twice during grow and the earth spread the same but more frequently as always much gradatude. PEACE
 
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