I dont want to use acid to dissolve chitosan, what are other ways to dissolve chitosan?

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Daniel Last

Perhaps you can use chitinases, which affect the fungi but do not affect the algae?

Fatemeh Lavajoo

One of essential macroelements for algae growth is NaHCo3, thus you can change the concentration this element in your media without any damages to your algae culture. Alteration in pH with NaHCo3 decreased and deleted fungal or other predators of your culture.

Sham ashok Patil

Thank you Daniel and Fatemeh..