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75 sump

  1. General Reef Discussion
    Hello there TRT. So recently as a gift i came into possession of a 55 Gallon tank along with two 250w MH and 12 Moon LED's, and as i dont see the point upgrading from my Biocube 29g to a 55...i have decided to buy myself a 90 gallon and use the 55 as a sump. :D I have done tons of reading on...
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