Sprouts are all white?

DarkSun

Member
Hi I'm growing auto AK 47 and Dr Chronics Alpha 13. Both are in rockwool and are at the point where they're still in dark, some with the seed shells off but first leaves aren't fully extended yet.

My last grow my seedlings were green with red stems, is it normal for them to be white? (I'd assume due to the current lack of light)
 
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