6wpg on a nano?

Discussion in 'Lighting' started by timme278, 21 Feb 2010.

  1. timme278

    timme278 Member

    Messages:
    87
    im thinking about de-grading my tank size, to a small 4 gallon nano...

    i was thinking http://cgi.ebay.co.uk/ws/eBayISAPI.dll? ... 0465322347 but only having one lamp on because i think 12wpg will be overkill....

    do you think 6wpg is also over kill?

    i was thinking pressurised co2 & a shrimp tank.

    thanksss guys:)
     
  2. Garuf

    Garuf Member

    Messages:
    4,959
    Location:
    Leeds.
    The link you supplied would be fine, I had 2x18w on an 11" cube and I loved the growth rates, I never once had an algae issue the only issue was keeping co2 good and high.
     
  3. timme278

    timme278 Member

    Messages:
    87

    so you had the 36wats on over the 5g tank? how long was your lights on for?
     
  4. Garuf

    Garuf Member

    Messages:
    4,959
    Location:
    Leeds.
    For the first month, 5 hours after that 8 hours. Never more. I used pressurised co2, double dosed ei, dosed liquid carbon and undertook weekly 60% water changes religously, I suspect more light would be capable but you'd be treading a line so fine even a slight co2 underdose would leave you wide open. Depends on what you want really, I personally tihnk you'd be fine, you'd need to be extremely vigilent with co2, making sure your mist is really whirlling and so on.
     
  5. amy4342

    amy4342 Member

    Messages:
    336
    Yup, I'm running 36W on a 5 gallon also - never had any algae problems, but I made sure I had a good filter (Fluval 105) and a high co2 rate with a Boyu external diffuser, also dosed EI. As long as you get your co2, flow and nutrients right things should be ok.
     
  6. Nos

    Nos Newly Registered

    Messages:
    13
    Location:
    Ireland
    I have the same unit over my 30l nano tank.
    Growth rate is very good, but you have to watch your dosing and co2 in such a small tank small changes make big difference.
     

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