Is This A 50% Water Change? Question

Discussion in 'Water Changes' started by RSababady, Jul 20, 2019.


Is this a 50% WC in the tank below?

  1. Yes

    1 vote(s)
  2. No

    3 vote(s)
  1. RSababady

    RSababadyWell Known MemberMember


    And for the more technical, The tank is a 450l. I dropped the water level to half the tank height. Only needed to add 180l to fill it up. i.e. 35%
  2. Seasoldier

    SeasoldierWell Known MemberMember

    Hi, don't forget you need to calculate in the water displaced by the gravel & drift wood / rocks etc.