PK1
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good to know, i'll probably call you up once i got it going. For now im just feeling it out and watching the readings.It will probably work if it has high enough pressure. At like 1500 PPM a 20 pound tank should feed 4 plant for about 100 to 110 days. CO2 is another tool if you know how to use it. It can help you tell how healthy the plants are bases on how often the reg is kicking off