IME with a reactor the carbondoser on a dual stage reg is incredible reliable and can provide a very consistent amount of gas. The single stage regs they use are ok and for most it is adequate.
Adding a carbon doser on top of a dual stage can get pricey.
Are these solenoid valves you are listing rated for continuous duty?
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Hobby Experience: 9200ish gallons, 26 skimmers, and a handful of Kent Scrapers.
Current Tank:
Vortech Powered 600G SPS Tank w/ 100gal frag tank & 100g Sump. RK2-RK10 Skimmer. ReefAngel. Radium 20k.
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