How many cups of salt makes 10 gallons of water a 1.022 salinty level?

[Chris Tsao]

Can someone please tell me exactly how much salt (Instant Ocean) to put
in a bucket to make 10 gallons of saltwater with a salinity level of
either 1.022 or 1.023 (but preferably 1.022). It takes me about 40
unenjoyable minutes just to make around 20 gallons of saltwater with a
salinity level of 1.022 because after 2 years of keeping saltwater fish,
I still haven't learned how much salt to put in. I have a gallon pitcher
and a 17 gallon bucket, so I can measure some other gallonage if you've
only calibrated a similar one. Thanks.

[Trevor Keough]

For every one gram of salt (Instant Ocean, etc) per litre you will raise
the salinity 1 ppt. Your specific gravity will vary slightly depending on
temperature. I"ll try and find the reference for the nomograph used here
at the lab.

Cheers,
Trevor

[Tim]

1 cup of Instant Ocean to 2 Gal of water. I believe the container says the
same thing.

[G. R.]

A 44 oz. soft drink cup works perfect. One cup full of salt will make 10
gal. of water.
Glen

[Tim Houghton]

Chris,

I too use a 17 gallon bucket (a red one! :) when mixing salt for a big
water change. I find 130 grams of salt is good for 1 gallon of water, so
I weigh out 2.2 kg of salt and dump it into the bucket (full of RO
water) and let it mix overnight. It's usually about right but sometimes
I have to make a minor adjustment the next day if I've been careless
about the water level.

HTH,

Tim

Chris Tsao wrote:
>
> Can someone please tell me exactly how much salt (Instant Ocean) to put
> in a bucket to make 10 gallons of saltwater with a salinity level of
> either 1.022 or 1.023 (but preferably 1.022). It takes me about 40
> unenjoyable minutes just to make around 20 gallons of saltwater with a
> salinity level of 1.022 because after 2 years of keeping saltwater fish,
> I still haven't learned how much salt to put in. I have a gallon pitcher
> and a 17 gallon bucket, so I can measure some other gallonage if you've
> only calibrated a similar one. Thanks.

--
Tim Houghton's Marine Critter Page - http://www.typhoon8.net/reef/

[Chris Mohr]

Hey Chris,

You sure are doing it the hard way. Don't measure the water, just measure
the salinity.
I assume you asked how to add salt to 10 gallons of water because you have a
10 gallon aquarium.
Put your rocks or whatever in your aquarium and then fill it to whatever
point you want it.
Add a moderate amount of Instant Ocean, let your filter dissolve the salt,
and then measure the salinity.
Keep doing this until you reach the salinity you want.

Chris Mohr
da...@pe.net

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