Quote:
Originally Posted by LauLanChu
That is the purpose of trickle filter, wet dry mode, highly oxygenated to culture the BB. Not to worry too much about not constant contact with water, the material will be wetted. Just need to do regular maintenance to ensure flow rate is good.
One thing forget to mention, those support you intend to get ensure they will not rust, material like Aluminium, copper and stainless steel. As full exposure to water, and not good if the rust get onto the water.
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As long as media is soaked and flow below, it is almost same as sump as water will follow the path of least resistance.
I am using alu rack but the rack is not resting on bracing nor the tank and my media are soak as well.