Thanks for the aquatek recommendation.
Regarding CO2 tanks, is it better to buy locally or via Amazon? Will having an aluminum tank make it more inconvenient to refill? I hear that with iron tanks the welding supply store just swaps tanks so no need to wait for your special tank to get filled? Is this true?
What other co2 hardware do I need besides tank and regulator? I'm starting a new thread on pH controllers. If you have amazon.com links to other necessary CO2 hardware, that would be really appreciated. The target tank is 125 gallon. Thanks in advance!!!
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