Foliar spraying

So yesterday i went out early in the morning and foliar sprayed with silica. I used ro water and didnt ph test the water and then today i went out and my leaves had a few small tanish dots on the larger ones and on the smaller ones it was worse and the leaves looked burnt. I usually foliar spray with seaweed extract and the occasional calmag and this never occurs could it be caused from a high ph do to the silica or is more likely that i put just a bit too much silica? Im thinking it might be the second cuz some of the larger ones barely had any spots but one or two of the small ones were burnt everywhere
 
Im also pretty sure it wasnt the sun it was hot yesterday but the sun doesnt hit my plants till 10ish and i went out around 7 so im pretty sure all the water was dried by then
 

thumper60

Well-Known Member
if u in soil u don't need silica,its one of the most abundant in soil,for hydro I bought a gal couplr yrs ago all it did for me was fk up my soil plants,igot 3\4 gal give it to u:bigjoint:
 

Chillin chillin

Well-Known Member
Silica @ 1ml per gallon is usually enough foliarly. Sounds like you achieved light burn. The leaves are burning I between the veins?
 

Chillin chillin

Well-Known Member
if u in soil u don't need silica,its one of the most abundant in soil,for hydro I bought a gal couplr yrs ago all it did for me was fk up my soil plants,igot 3\4 gal give it to u:bigjoint:
Add silica to the red 2st then drop ph to 7, add everything and ph to desired levels.
Silica is a must in high yielding gardens
 

thumper60

Well-Known Member
Add silica to the red 2st then drop ph to 7, add everything and ph to desired levels.
[[[[[[Silica is a must in high yielding gardens
]]]]
haha u funny, been growing since the 80s never heard u need silca till hydro early mid 90s its vodo juice if u believe in vodo haha peace,i got some I give u
 
if u in soil u don't need silica,its one of the most abundant in soil,for hydro I bought a gal couplr yrs ago all it did for me was fk up my soil plants,igot 3\4 gal give it to u:bigjoint:
Yeah when i tried adding it to soil it gave me a bunch of lockouts cuz i dont usually ph i mostly just use teas i was spraying cuz i was starting to get a lot of bug damage and heat stress so i figured itd help
 
I was reading online and it said with most foliar spraying you should do half dose to avoid burning i think it was just too much because the bottle calls for like half a teaspoon and a few extra drops fell in when i mixed it i figured it wouldnt hurt but it appears i was wrong
 
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