The Grotech SP4800 dosing pump has been making the rounds in Europe lately but don’t think its coming to the US or UK soon. The dosing pump nicely named the SP4800 is ridiculously efficient, like new products lately. The pump has nice flow rate that is adjustable from 500-4800 ml/h from a handy control knob. The European model runs off of 235V and sips on only 12 watts. This dosing pump will set you back 245 EUR ($322). Before you start to come up with ideas on how to acquire this guy with your wife, we might suggest you find a converter box so this pump will work on US electricity first.
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