In the latest BYO, there is an article on page 60 about No-Sparge brewing. The article is pretty good, and as I have been thinking about trying this technique, I have now decided to actually try it.
The article states that all you have to do is add enough water to your mash tun so when you collect your first runnings, you have your entire pre-boil volume. This makes sense to me.
What the article doesn't state is whether or not you need to increase the amount of grain used in said recipe to match extract rates of batch/continuous sparge techniques. I know other sources have said that no-sparge brewing requires more grain, even an on-line article in BYO by John Palmer mentions that you have to increase grain ratio if using this technique.
So, what is the real deal? Do I need to increase my grain, or don't I? If so, will Palmer's formula in the online BYO article be sufficient?