Grape Seed Oil Keeps Getting Contaminated

The grape seed oil I have had for 2 years keeps getting all kinda thing floating in it when I make my test? Expiration is in October!

Every time I pour it in beaker I see white stuff floating like hair strains?

Sounds like you’re getting unfiltered GSO. Get a higher quality GSO. Like some sort of medical grade if you can find it

Why was it good the first time I made it?(maybe I wasn’t paying attention only notice under the light)

It does this when I draw it up

My last batch

This looks like aeration to me, not particulate in the oil.

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That’s what I thought too

How to prevent?

Aeration doesn’t matter, it should disappear after sitting for 15 mins or so.

Aeration is just little air bubbles