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This is going to be the journal of my recently upgraded, (and a bit overgrown :)) 37gal column aquarium. The specs: ¤ Tank: 60cm x 60cm x 60cm ¤ Lighting: 70w, 6800k, metal halide, 8.5hr photoperiod ¤ Filter: Eheim 2217 ¤ Substrate: Fluval Stratum ¤ CO2: 2 bps ¤ Fertilization: dry NPK by eye...