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How to Mix Saltwater

New seawater is going to be mixed many timesa good stir to initially mix it in, a wooden
in the future. Why not take a little extrastick (clean) will do. Set off the heater and
trouble in the initial mix and save a lot ofair pump. Remember that the temperature of
time  later?the mix needs to be at or very close to the
temperature of the seawater in the aquarium.
When purchasing the sea salt, obtain salt(Also, temperature has an effect on an SG
that is specifically designed for use with Rreading.) Leave for about 8 to 12 hours, more
O water, as this should be used rather thandoes no harm, this will allow the salt to
tap  water.fully  mix  and the temperature to stabilise.
The net gallonage of the aquarium is known.After the suggested time, measure the SG with
Having purchased the dry sea salt, it isthe hydrometer:a. If the SG reading is too
fairly easy to guess the amount that islow, measure out a little more salt and take
needed to meet the intended SG of thea note of the weight. Add the salt to the
aquarium seawater, by looking at thebucket and allow more time for the salt to be
suggestions of the manufacturer. Measure outfully dissolved. Then test again, if more
a little less than it appears may be needed.salt is needed then proceed as above. If the
Once the salt has been measured out, weigh itmix is correct then add the salt weights
and take a note. It is recommended that gramstogether and put the total in the notebook.b.
are  used  when  weighing  the  salt.If the SG reading is too high, add a little
reverse osmosis water (note the amount) to
Before we consider mixing saltwater, freshthe mix and give time for the temperature to
water is needed. It has already been decidedstabilise. Test again. If still too high, add
that Reverse Osmosis (R/O) water will bea little more RO water (again note the
used. R/O water takes a considerable while toamount). If correct, note the total amount of
produce in any quantity, so the collectionadditional RO water used. By fraction, the
must be set in motion in good time so as tosalt  can  be  reduced  for  the  next  mix.
be available for the mix. The R/O unit
instructions will give a reasonable estimateOften, the correct amount of salt to be used
of how many gallons can be produced in ain the mix is arrived at by the methods of
given time, but add a little more time toboth a. and b. above. Once the amount of salt
cover  variables.by weight is known and noted, new seawater
mixing is straightforward. However, for the
So the mixing bucket is ready, plus thefirst few new seawater mixes it is
seawater heater and air pump. Place therecommended that the SG is measured for each
weighed salt in the bucket and pourmix, until confident that the SG is
sufficient R/O water in to bring the level toconsistently correct.
the required number of gallons. Give the salt



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