Open the booklet outside the old TMG-bottle (the front sticky is actually a small booklet) or inside the new rebranded Plant nutrition paper boxes. You can find Claus at Tropica answering the same thing at APD years ago:

Tropica Fertilizer
"It is no secret! We tell it in the declaration on the bottle
(K 0.79%, Mg 0.39%, S 1.01%, B 0.004%, Cu 0.006%, Fe 0.07%,
Mn 0.04%, Mo 0.002% Zn 0.002%. HEEDTA and DTPA as celators).
We have the idea: "aquarium owners have the right to know what
they put into their aquarium"!