Heat Pump condensate water - Kills Grass


Old 08-16-08, 09:43 PM
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Heat Pump condensate water - Kills Grass

My inside portion of my heat pump has a condensate pipe that drains to the drain in the floor that pipes to my backyard. I would have thought that the grass in that area wold have been thick and green but its no...it actually looks dead and blackish. What makes this water kill grass.

The area is moist...not saturated so I am certain it is not rooting the roots. is there copper or some other metallic leeching from the coils that will cause this?

Thanks FF
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Old 08-17-08, 01:20 PM
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Probably too much moisture is causing mildew problems. If it's moist on the top, it's probably soaking wet a few inches down.

If it's feasible, add a pipe to spread out the drainage over a wider area or collect it and use it for potted plants.

We use ours on houseplants and out door pots, cause of the high mineral content in the city water. No problems at all.

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