| | |  03-28-2011, 12:10 PM deep sand beds create extra nitrate exportation but if the sand bed is too deep it will not work and if it is too shallow it will not work, personally i use about 1" of sand only in the bottom and just load the whole sump up with liverock and rock rubble. the chaeto grows like crazy for me. i put the rock rubble in chamber 1 which is where the skimmer and heater is and in chamber 2 where the refugium is, in chamber 3 where my return is i dont put anything because i dont want it to get sucked up and break the pump or slow the pump down. |
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