Hi,

Don't autoclave GA3. Wait for the media to be around 50C (a water bath is useful here) before mixing it. See attachment.

Cheers!

Pablo Gomez Barreiro Thank you very much sir

Filter sterilize and add it in the media before pouring

Heat decomposes GA3, and the resulting products might have an effect on your experiments Augusto Vinicius de Souza Nascimento Article Decomposition of aqueous solutions of gibberellic acid on autoclaving

Article A Comparison of the Effects of Autoclaved and Nonautoclaved ...

add only after the autoclave of your media before pouring in your glassware for growing.

no you dont have to autoclave it but instead cool the autoclaved ms medium to 50c and add GA3 then mix

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GA3 is heat labile and should be filter sterilized and added to cooled MS media