Zen Float Tank Assembly Instructions Manual page 12

7. FILL TANK WITH EPSOM SALT
Install inline filter to the hose you are using to fill your tank.
NOTE : ​ T o make sure none of the carbon from your filter enters your
tank, run 5 gallons of water through the filter into a drain, or until water runs
clear.
This part takes time. Don't rush it, just enjoy the process.
After adding 2 to 3 inches (5 to 7.5 cm) of water start smoothing out
creases on the tub floor. Once smooth, continue to fill the tank with 5
inches (13 cm) of water. Add 100 lbs (45 kg) of salt at a time, mixing in fully
as you go.
NOTE:​ If you bought your salt from Zen Float Co., we provide 850 lbs
(385 kg) of salt per pallet, you won't use it all to fill your tank. Only 800 lbs
(363 kg).
Agitate water and salt by stirring and mixing. It may be easiest to stand in
the water and mix it around with your feet. Once 800 lbs (363 Kg) of salt is
added, fill until the water level reaches 10 inches (25.5 cm).
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