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Lighting

Lighting descriptions

  1. SPS grows like MAD and than RTN's

    This has been going on now for like a month. My tank is a 140 shallow reef tank with T5's. I have two 6100 tunzes for water movement. Run the lights from 4:30 to 11:30. I have a total water volume of 260. I have two 30 gallon breeder tanks plumbed into for sps frag tanks. These are full of water but no corals in them at this moment.
    Water parameters are as follows
    ph 8.4
    Ca 380
    Alk 8
    NO3 15
    NO2 0
    NH3 0
    temps. swing .3 degrees of 77 ...