why is my plant burning so easily

joedan890

Member
IMG_1796.jpgIMG_1797.jpgIMG_1804.jpg

my plants are 18 days old, and im using happy frog soil mixed with about 1/3 perlite

the first two pictures is a spot that looks weird. a few other plants had a few small brown spots like the third picture.

im only using fox farm "big bloom" at this point which has very low percentages im worried if i add the "grow big" it will really burn up, the values are much higher. this was happening last week sometime too but i was a noob and was giving them 100% strength. it seems they are doing just as bad with a 50% mix tho this time around.


to sum it up

any ideas when i should add "grow big" or "tiger bloom" ?
are my plants burning because im adding nutes with the happy frog soil?
should i flush them immediately?

sorry if i missed any details.
 
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