Thanks for the information. My system is about 120 gal total water, so dosing might be better way? However I am thinking to do DIY dosing before I will get nice one. I just like to try. I was serching DIY dosing and found one of the reefer was using Aqualifter pump and gang valve. What do you think about this idea? I have very limited budget to keep my tank running, so I try to keep cost down. Maybe I have wrong hobby.
Thanks
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