1) no it will be in solid form. You need to "reconstitute" it (see next answer).
2) for the IGF-1 you need to use AA (acetic acid) 0.6%. You can make it, but I bought mine online. I used 2 ml to mix as I am already dealing with such small amounts (50mcg bi lat, only 25mcg per side so this allows u to measure more easily vs only 1 ml of AA.For the PEG MGF you can just use 2ml of bacteriostatic water to reconstitute.
3) don't think this increases potency. Make sure to store both in the fridge after recon and use up with a month.I am not a professional, and I don't guarantee anything I said here. I am only sharing what I have read on several forums and lots or searching online. Also sharing what I'm actually doing myself. Hope this helps!