Rinse embryos in filtered seawater
• Take embryos from the rocker and let them settle to the bottom of this dish for ~2 min
• Gently remove 200 µl of liquid from the well by pipetting from one side of the dish, just below the meniscus
• Gently pipette 200 µl of filtered seawater down one side of the dish to gently cover the embryos
• Let embryos settle to the bottom and then gently remove the liquid.
• Repeat for a total of 2 rinses.
• Leave the embryos in 100µl of liquid to proceed to the next step.