Someone tell me what this means

Got a pack of green house hybrids 15-7-22 all in one. And I don't understand how much of this stuff to use.

The numbers stand for Nitrogen-Phosphate-Potassium. You need to give us more info.

I was just trying to figure out how much to feed. There's that g/l 0,5 area that looks like a foreign language to me

vedder607 said:

I was just trying to figure out how much to feed.

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There are no rules. And any info you do find can be contradicted by going to a different website. You can do it!

Cool thanks for the confidence. I get nervous about going too heavy on the nutes and getting burn. Past year I used Dr. Jimz chicken soup for the soil with no issue but I got this bag of food for free and wanted to give it a try.

Well … according to label , 0.7 EC is around ( 350-490 ppm ) - 1.4 Ec ( 700-900 ppm ) - 2.1ec ( 1000 or so ) .

I would look at it as :
Early stage ( 350-500 ppm )
Veg ( 700-900 ppm )
Flower ( 1000 - 1200 ppm ( + or - )

Start with smaller use and monitor plants response to this particular nutes and adjust up or down.

Some feeds run 20-20-20 and they do well.

vedder607 said:

g/l 0,5

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that would mean .5 grams per liter of water

You all are awesome!!! Thank you so much

ALPHA.GanjaGuy said:

that would mean .5 grams per liter of water

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Those looked like commas to me. No wonder it made no sense, . That was bugging me,

PadawanWarrior said:

Those looked like commas to me. No wonder it made no sense, . That was bugging me,

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commas are commonly used in non US to replace a decimal

ALPHA.GanjaGuy said:

commas are commonly used in non US to replace a decimal

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Good to know. It makes complete sense now,