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Yeah it's food grade, ended up frosting the surface about a 1/4", don't currently have have a pest problem, just recovering from an rookie overfeed, the duster was a mess ended up using a 1/3 measuring cup to apply.Wait until your soil is a little dry on top. F soil is to wet, the D. E will absorb and turn to a silaca and won't work for insects. If using to aide with healthy root system, my impression is to sprinkle on top of soil, water as usual. I mix it around a bit with my fingers so it isn't just sitting on top of soil, when not using for insects. I haven't had to use on cannabis for insects, fingers crossed, but me tomato's I have and it works. Messy though. Make sure it is FOOD GRADE, very important.
I know its runs alkaline, so I plan on watering straight on one plant with my usual dehumidifier runoff water that runs a bit acid at 4.8-5 & test the runoff.Downside if using for insects that I don't like is Everytime u water u have to use again if insects come back. I don't know if to much of a good thing will be a problem in the soil. Plus it's messy as all get go.
I didn't care for it, messy, mars drainage & really drives the pH up.I'm getting ready to try DE too, heard somewhere later of perlite in bottom & on top helps with pest control as well & isn't as messy but havent tried that either
DE? or perlite?I didn't care for it, messy, mars drainage & really drives the pH up.
DE, also only effective when dry.DE? or perlite?
I'm getting ready to try DE too, heard somewhere later of perlite in bottom & on top helps with pest control as well & isn't as messy but havent tried that either
I breathed too much over time, I now have COPD!!! wear that mask when using it, it does work on bugs ektoskelatel system, cuts through & dries the bugs juice up!Wow, im suprised no one has mentioned the dangers of DE. It is commonly used in pools as a compliment to the filters. It is, as i understand it, the skeletons of microorganisms. It is dangerous to your health, especially your lungs. If you decide to use this do so with a bit of caution and wear a mask. Breathing this stuff in is like breathing in miniature razor blades that will cut up your lungs. Like i said i have only used it with pools, but what i have used has been pure DE.
There are two types of DE, pool grade and food grade. Pool grade has 60-70% crystalline silica in it, which is the dangerous, bad kind to inhale. Food grade is much safer, having only 1% crystalline silica. Both are high in silica, though, just be careful not to inhale the pool grade type, particularly.Wow, im suprised no one has mentioned the dangers of DE. It is commonly used in pools as a compliment to the filters. It is, as i understand it, the skeletons of microorganisms. It is dangerous to your health, especially your lungs. If you decide to use this do so with a bit of caution and wear a mask. Breathing this stuff in is like breathing in miniature razor blades that will cut up your lungs. Like i said i have only used it with pools, but what i have used has been pure DE.
There are three grades of DE (food grade, feed grade and filter grade). Any DE that is heated becomes crystalline and should be considered dangerous for lungs, this is what is sold at home depot under "concern and safer name brands" and should not be used. Food grade and feed grade DE are amphorous silica and contain less than 1% of crystalline silica which is milder and safer on the lungs but feed grade (and filter) contains arsenic and other heavies where as food grade are sourced from mines that don't have heavy metals.
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