I actually had a discussion with one of the scientists at the Vancouver Aquarium last year about this. He said that Tigger pods (the correct scientific name is slipping my mind at the moment) are a large, temperate, predatory pod; meaning they can and will hunt down your smaller existing pods for food, don't live that long in our tank conditions and are better suited for larger fish. He went on to say that they made the mistake once of feeding tigger pods to a batch of fry and the tigger pods ate all the fry! This is info from him not me, so I can't really debate this fact.
But in light of this, my favorite way of feeding pods to mandarins is patience, time and design. Built a Pod House, just a pile of rubble they can hide in, in the back of your tank somewhere and squirt some food intone pile every once in a while. Get some chaeto or live rock that has a ton of pods in it already to seed your tank. Give it a couple months, and when you see a ton of little pods bombing around at night, you're good to go.
One thing to keep in mindif you go the refugium route: you won't be getting many adult size pods from the fuge into the display. The large pods often don't make it through the pumps in one piece unless you have a HOB fuge where they can just flow in. I experimented with this a while back when trying to decide on a system configuration. Pod + pump = pod soup. If you are going through a pump from your refugium you will be getting larval pods, so you're essentially constantly seeding the tank.
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