mix all mine in the five, five gallon plastic water containers I have .I have an air stone in each 'and a cheap heater ,I have a large beaker that I use to add the salt two <and a half of them and the sg is spot on once the temperature has risen to the same as the tank ( don't foget Dave and ian if you are going to mix in your container, put the top on and give it a good shake , and before you add to your tank give another good shake, because I have found that no matter how much aeration you give it there will still be some salt at the bottom of your container.then check your sg again before you add to the tank I always aerate the ro water for 24 hours prior to adding to the tank some do more some do less but it works for me .

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senile old git

Not really a problem for me!

Ok it may be a bit over kill but the salt is added to the RO water in a 40gallon waterbut and then a '270litre a minute' pump is used to mix it for about 5/10mins. Plus the pump does get quite hot so warm the water nice. Slightly unorthadox way of doing it but it does the job. The pump was a spare we use at work to run our 80 tank system and it was sitting there in the warehouse doing nothing so I thought I would have it!

My Dad did foolishly forget about it and left it running all night in the waterbut and when we came down in the morning and opened the lid on the waterbut, was hit by a haze of steam. It had heated the water to easily over 100 fahrenheit. Ruined a good 30g of salt water.

hi slash!!!
Hope it didn't burn u??? Things we do for this hobby!!!! I think i'll use the airstone method otherwise it i'll cost more and i'll have to become a gigolo on a nighttime!!!!! Nice tank he's got in the film though( Deuce bigalow)!!!!!!