how much salt to add?

Discussion in 'Water Parameters and Additives' started by malooda, 30 Mar 2011.

  1. malooda

    malooda

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    hi
    iv got the red sea coral pro salt. im mixing it in a 200ltr drum. does anybody know aprox howmuch salt i should put in to get a good salinity?

    thanks
     
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  3. ThaneF

    ThaneF

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    I use 666gram per 20L and that gives a sg of 1.025 :)
     
  4. jaquesdp08

    jaquesdp08

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    I also use 3 Standard glasses to 25 litres and get 1025

    Will be around 7-8KG of salt :)

    22KG make 660 Litres
     
    Last edited: 30 Mar 2011
  5. rakabos

    rakabos

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    The mixing instructions is on the bag/drum
     
  6. viper357

    viper357 Admin MASA Contributor

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    I would start off small, use a 2L coke bottle, add salt until you get to about 1.025 then simply multiply the amount of salt you used by 100 to get to the 200 litre mixture, that's if you're using exactly 200 litres. You can always make final adjustments by adding more salt or RO water, I would advise having a fairly strong pump and heater in the 200 litre drum, let it all run overnight to mix properly then test salinity and adjust as required, run for a couple hours and check again.
     
  7. jaybeepee

    jaybeepee

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    yup - For 240 odd litres I use about 8kg. Add 7 and then use refractometer to do the last but.
     
  8. ernst

    ernst

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    According to the formula on the tub :p

    200l @ 1.021 you will need 6,70kg
    200l @ 1.023 you will need 7,18kg
    200l @ 1.025 you will need 7,66kg

    Always use the right tools for the job. Get yourself a refractometer or cheaper hydrometer.
     
    Last edited by a moderator: 31 Mar 2011
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