Mack, The 3.5 oz tank can be accomodated but makes it more difficult to shoehorn in everything else in the Kent Class hull. The bottle is more cost effective because it shouldn't cost more than $7 per fill and a fill should be good for at least 4 sorties with a Class 3 ship. I think the bulk order for 36 gm capsules worked out to about $3 each but it's been 3-4 years since I checked. That's about $12 for 4 sorties. However, I prefer the smaller capsule system and use it in all of my models under Class 4. I got a couple of hundred 36 gm capsules in a trade for hulls a few years back so have enough to do me for a few years. I'd go in on an order for more if you're interested, as would at least one more Treaty battler. Bob
