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Pyrotechnic · 11-19-2006, 08:16 PM

If it's the typical mag drive pump meant for aquariam or pond use like Eheim pumps are, then it's meant to handle water that isn't tap water quality, as long as you arent sending rocks and sand through the pump. However, I tend to think that antifreeze may extend the pump of the life even more since it prevents buildup of grime in the water and it has sort of a lubricating effect on the pump, especially in a closed system with mixed metals like that. Any plain water will turn nasty and rot your system away if you leave it in long enough. Aquariums and ponds dont have to worry about galvanic corrosion and such since the water has to be kept decent enough for fish to survive.

11-19-2006, 08:16 PM	#5
Pyrotechnic Cooling Savant Join Date: Jan 2002 Location: Austin, TX Posts: 240	Re: Tap water bad for pump? If it's the typical mag drive pump meant for aquariam or pond use like Eheim pumps are, then it's meant to handle water that isn't tap water quality, as long as you arent sending rocks and sand through the pump. However, I tend to think that antifreeze may extend the pump of the life even more since it prevents buildup of grime in the water and it has sort of a lubricating effect on the pump, especially in a closed system with mixed metals like that. Any plain water will turn nasty and rot your system away if you leave it in long enough. Aquariums and ponds dont have to worry about galvanic corrosion and such since the water has to be kept decent enough for fish to survive.