looks like crystals on bottom of carboy

[Tarpon230]

I have a cali cab going from a bucket of juice. Started 10-2-12 last rack was 11-4-12 and added 1/4 teaspoon PM. At the bottom of the carboy it looks like crystals are forming. What do you think?

 

[Rocky]

Probably "wine diamonds" or tartrate crystals. They are not harmful and, in fact, in Europe are valued as a sign of good wine. If they bother you, you can cold stabilize the wine and filter them out.

 

[Tarpon230]

They don't bother me if they don't bother the wine. I guess I just stay on track. I was going to rack in another couple months.

 

[Rocky]

Tarpon, here is a link to some outline information on the crystals. They do not harm anything. http://www.helium.com/items/1471276-what-are-wine-crystals

 

[Tom_S]

I've often found the wine diamonds in the bottom of my bottles. Seems like every time I find them, the wine is a lot more mellow. Which makes sense since those are made of tartaric acid which fell out of the wine.