First time using pro mix hp

This is my first grow and I am going to use pro mix hp, do I need to add anything to it, I am going to use ilgm’s fertilizers. Any suggestions, or should I be using something else.
Thankyou

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Welcome to the community, I have read people mix perlite with it to give better drainage ratio 4/1

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Thankyou

Pro mix is good stuff and I’m currently using it with fox farm dry amendments. Cultivation Nation veggie & bloom nutes, decent results and I like the low maintenance.

thankyou

I’ve found it a bit spongy when dry my first time I didn’t moisten enough and it settled too much cuz wasn’t packed so pay attention to that.

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thankyou

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Promix HP (high porosity) doesn’t need anything.

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