When is the best time and size for T sexing?

[fartbreath]

Hi, friends! I have a N. Chromatus and a couple of B. Albopilosums reaching 3" soon. Do you think I can already sex them properly? Thanks.

 

[Billeh]

If your willing to wait, the easiest way to sex and not have doubts is by using a wet molt. Otherwise, get a light and a microscope and you may sex them right now.

~Billeh

 

[Arachnophobes]

Sexing through a molt and looking at the inners is the most accurate way, but if you know what you looking for (hair structure, etc), some people have been fairly successful doing that. I would never sex ventrally and sell my spiders sexed that way, sometimes the can be surprises!