2. The jar that is stalled (with uncolonized portions) most likely has a contamination growing inside of the cake, which you can't see.

3. The grayish mycellium you speak of is a form of contamination (I'm guessing without pictures, though)

4. The little white balls are the fruits beginning to pin. If you have 100% colonization and these lil white balls, birth it!

5. The jars with pins that aren't 100% colonized are probably contaminated inside, as well.

Mushrooms will grow in the jars if they are not birthed, and they'll even grow on unbirthed, partially colonized, contaminated jars. (but don't eat em...)

~loathe~

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Mushroom cultivation supplies, information, and teks.

Word of warning, though -- keep that and the healthy terrarium away from each other, because contams can spread on colonized cakes, causing them to be sickly and whatnot.

As for the food coloring I don't know (c:

(get some pics of the gray shit....)

~loathe~

------------------
Can't find the right jars? Perlite? Vermiculite?
Visit Myco Lobby.
Mushroom cultivation supplies, information, and teks.