With a dose pump I would be careful would not like one of your supplements dumping.
Pacific sun has a nice doser.
This is what happens when chinese copy an item another company spend 1000s perfecting it. The pump itself is also on copy right infringement of hydor pump
http://www.fish-street.com/jebao_wireless_rw-15_wave_maker
http://www.fish-street.com/jebao_wireless_rw-8_wave_maker
I like the low profile I'd be in on a group buy and pick up 2 RW-15