Are there any tricks to using this adapter to fill the tank? What are the steps? I am using a 250 Series SubDriver. How can I easily test to know its full?

Gas Ballast Fill Adapter
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Clamp valve, invert can. Keep your finger on your ballast blow control. Depress the filler valve and keep it depressed. "Burp" the ballast on your transmitter. Two seconds on, two off. Wait until liquid sprays from the valve in the cylinder and not just air. Let up on the filler handle. Unclamp.
Done!Comment
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Clamp valve, invert can. Keep your finger on your ballast blow control. Depress the filler valve and keep it depressed. "Burp" the ballast on your transmitter. Two seconds on, two off. Wait until liquid sprays from the valve in the cylinder and not just air. Let up on the filler handle. Unclamp.
Done!Comment
Comment