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  1. N

    frequency of water changes

    Hi all, just wondering if my lifestyle will actually suit my tank setup before i go ahead. Always did 50% weekly on a high tec planted, but did 50% every 2 weeks on a malawi cichlid and it was ok. Im planning on a 450 litre low tech setup sparsley planted with liquid ferts and co2 - small...
  2. N

    RO help

    hi all, i have an RO unit from osmotics, and have set it up as portable (3 ball valves, one on each of the lines so i can block of a line and drain it etc. my question is that i thought you always had to have the (black) waste water line open, which meant that i was getting 10-15 litres of...
  3. N

    Nicks off the scale 'results'

    hi, ive been testing my water every other day in my new 4x2x2 and the results have been shocking. I started off getting these.... (remained constant for just over a week) 1.5mg/l = ammonia 1.5mg/l = Nitrite :thumbdown: 100mg/l = Nitrate but the PH was...
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