When I get my tanks refilled the high pressure read in the vicinty of 1000lbs. When it starts to drop I keep a close eye on it. When it reaches approx 700LBS I replace it with my spare. Luckily my Azoo regulators seem to prevent end of tank dumps. I've had two EOT dumps and never even noticed until the gauge was sitting at zero......
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90 Gal - 2 Eheim 2217s - 4 Rio 50s - 4X96watts CF - Flourite - 2X300w Visitherm - Pressurized CO2
25 Gal - Eheim 2236 - 36 watt CF - 28 watt CF - Flourite - 150w EBO Jager - Red Sea 500 Reactor - Pressurized CO2
15 Gal - Eheim 2215 - 36 watt CF -18 watt CF - Flourite - 150w Visitherm - Pressurized CO2 - Nano Diffusor
03 Gal - Eclipse system - DIY CO2
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