The Planted Tank Forum - View Single Post - 98G co2 on sale $40 hmmm...
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Old 02-13-2013, 10:19 PM   #3
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^ all that.

Plus the fact that disposable cartridges are a massive money pit. By the time you buy enough cartridges to equal the gas contained in one 5lb cylinder (24 of them), you've put in the cost of a good used dual stage regulator, metering valve, solenoid, and 5lb cylinder. And then some.

Don't do it.
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