How to introduce planktons in aquarium water?

[neutronics]

Hello all!
Was wondering....how do I introduce live planktons in aquarium water to benefit the fishes and filter feeders?
Do they just evolve naturally in aquarium water after a period of time? <img src="graemlins//silly.gif" border="0" alt="[silly]" />

 

[neutronics]

Nope, no refugium. So I think the plankton introduction will be hard....
But lotsa live rock and a 3inch DSB.
An Eheim Professional II canister filter designed for 90 gallons for added filtration.
Fishes present in the 75 gallon tank:
Medium Size:
1 flame angel (2.5 inch - this is my favourite fish)
1 coral beauty (2.5 inch)
(the two dwarf angels get along fine...phew!)
Small Size:
A pair of maroon clowns (2 inches each)
1 half dottyback (1 inch)
1 cleaner wrasse (2 inch)
1 sixline wrasse (1 inch)
1 yellow wrasse (2inch)
Geez, I've hit the max in a 75g FOWLR tank I think! <img src="graemlins//uhuh.gif" border="0" alt="[U-Huh]" />
I hope I can have some pics some day to share....