Found this snipit on thott - may be of use to some of you chaps doing AQ
QuoteSilicate Feeders are the way to go here. If your guild is working on AQ 20 and have cleared as far as Buru the Gorger, you can get these pretty easily, but you can't have killed Ayamiss the Hunter, or they won't respawn.
We had a partial run one night, only 15 of us showed up, so we cleared through the first 4 bosses (Kurinnaxx, Rajaxx, Moam, and Buru) and called it a night. I continued on up the hill towards Ayamiss and proceeded to pull around 15 Feeders (they don't link with the Collector/Tail Lasher packs). I then stripped and committed suicide, putting me back at the front of the instance. From here I ran to Moam's side (he was dead), up the stairs and cut across Ossirian's room to the stairs on the other side. From here I was able to pull around 10 more from Ayamiss' room.
A rogue, druid, or hunter could farm these pretty easily under the above circumstances, and if you clear as far as Ayamiss but can't get her down, any class could do this. There's a 30 minute soft reset on the zone (everyone out of the pool for 30 minutes), then come back in and do it again. I went in around 6 times over the next few days and pulled about 40 Larval Acid, 10 Idols, about 60 coins, 5 greens and a blue for 6 hours of work. I'd suspect the drop table on them to be adjusted next patch.
i know :P done that for a few times