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Runoff from roof safe for CPs?
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Posted by
ltecato 9 SoCal (
My Page) on
Wed, Dec 17, 08 at 21:11
| Hi guys. We are finally getting some steady rain here in the L.A. area. Hoping to save a few bucks on distilled water, I'm capturing runoff from the roof of my apartment.
The roofing is the standard type of shingles, black on the bottom and covered with something that looks like fine gray gravel on top, not stucco or wood.
I'm just wondering if it's OK to use this water on carnivores. I'm thinking there could be all sorts of petroleum-based adhesives and sealants and who knows what else mixed in with the stuff that comes off my roof. |
Follow-Up Postings:
RE: Runoff from roof safe for CPs?
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| I wouldn't, not unless I ran a battery of tests on it. I would buy distilled water at Walmart. |
Thanks, Petiolaris
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| I'm not going to use this roof water on my CPs unless someone can tell me they've done it without killing their plants. The good thing is that my plants got plenty direct rainfall the last two days and more rain is expected soon. |
RE: Runoff from roof safe for CPs?
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| Rain and snow is good. I have used runoff but who's to say that my roof is comparable to yours. I use a combination of rain, snow, distilled water, and water from a nearby creek. |
RE: Runoff from roof safe for CPs?
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Hi
I use roof runoff on all my plants even an automatic water change for an aquairum. Think you're talking an Asphault roof ?? Unless the roof is very new don't think you'll have a problem..
One caution though do you ever have acid rain?? Easy to check though, rainwater should have a pH of 7 or slightly less. gary |
RE: Runoff from roof safe for CPs?
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| Acid rain for mostCP's would actually be a bonus.. so long as it isn't on the order of HCL or H2SO4.... then we'd all be in trouble! |
RE: Runoff from roof safe for CPs?
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| I used water runoff from an asphalt-shingled garage roof for years, with no problems. I now prefer to melt snow and save as much snowmelt as I can for the summer, but still use roof or deck runoff in late summer. One trick is to not collect the very first runoff in a rainstorm as it will have lots of grime from accumulated dust, pollen, soot, etc. But after a bit of rain has washed the grime off your roof, the runoff will be reasonably clean. |
RE: Runoff from roof safe for CPs?
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don555 might have an idea. I was initially appalled at the idea because I was thinking of mineral-rich dust on the buildings (not a problem living in a place with rain/snow.)
A couple of summers ago I almost lost all of my Sarracenia (>100.) I could NOT figure out why they suddenly all were sickening. Then I had a day off and realized they were all covered with a thick layer of concrete dust...the city was digging up/sawing all of the concrete driveways and sidewalks on the other side of the road, and enormous clouds of concrete dust were produced over the period of weeks. Washed them off, replanted in fresh media and only lost a few. |
RE: Runoff from roof safe for CPs?
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| For what it's worth, I caught some runoff from the latest showers here in SoCal. When I transferred the water to clear plastic bottles I noticed it had a yellowish tint. I think that's because the bucket I used under the drip line had some of the local clay dirt at the bottom. |
RE: Runoff from roof safe for CPs?
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| I have been using roof run off rainwater for several years now, NO PROBLEMS at all. Use it. |
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