I'm getting some side cash for a freelance jog I did a whlle ago so I just went ahead and ordered the six pumps and some tubing. If it were strictly for day-to-day dosing I might be more inclined to try a less expensice alternative. But with the long vacation looming at the end of summer, I'd rather spend the money and get the added control offered by the pumps.
The Eheim liqiudoser would be nice, but the pumps will allow me to auto top off, too. I'm figuring that the 40 will lose about six gallons of water due to evaporation. The 125 will be more like 12 gallons lost. During my vacation I can mix my macros up in one 5 gallon bucket (suitably diluted) and micros in another.
My 20 will be the only one that the luiqidoser would've worked on since it's close topped with minimal evaporation, but this way I'll have a consistent setup throughout the house.
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