I have them on top of the tank , my lighting is 2x175mh and 2 vhos , they get moderate flow. But they are good in a low flow with good lighting , just not the crazy i need 2 rolls of quarters to keep them from gettting blown off type flow lol
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There are 3 ways of seeing things ~ 1st with the left eye , 2nd with the right eye and last with both eyes ~
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