| Hi Caitlin,
I do not use any kind of filter, because they entrapped the microalgae and need a lot of maintenance. What i do is let some water flow, entering by the upper side and leaving by the bottom of the tanks. I use pumps only to feed the animals and to provide some oxigen and/or mixture the water, so the microalgae are keeping floating. The mussels are suspended and/or buried. I do not know yet what is the better treatment for mussel growth or pearl formation, so I keep both.
The tanks are fertilized before received the mussels, and then monitored to keep a good cell concentration. My only problem is with the hardness....
regards
Ricardo Cunha lima
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MABE Brazil
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