#1 Rainwater collection/asphalt shingle roof
Richard Posted on: 2006/8/26 18:21
Is rainwater runoff collected from an asphalt shingled roof safe for use with killies. Anyone have any experience doing this? Thanks, Richard
#2 Re: Rainwater collection/asphalt shingle roof
Posted on: 2006/8/26 19:05
I don't think the shingles themselves are a problem. I would advise not collecting the first run-off. In other words, allow the first period of rain to wash off any contaminants that might have accumulated. There are even automated set-ups that do this, which you should find if you do a web search. The quality of water might depend on whether you are in a large city or a more rural area too. I suspect that might be more important than the shingles.
In the end, test any water collected on a small number of fish before using it more generally.
#3 Re: Rainwater collection/asphalt shingle roof
Richard Posted on: 2006/8/27 21:57
Thank you Barry.
#4 Re: Rainwater collection/asphalt shingle roof
gelson Posted on: 2006/11/2 5:14
Rainwater was my source of soft water for several years in my old house. I tested it regularly and was able to breed a lot of killies and dwarf cichlids in it. In the short term, there never was a problem, as long as I respected the "wait for the roof to roof to be cleaned off" rule Barry suggested. In the longer term, the unpredictability of rain was a problem, as I consider a key to breeding killies to be environmental stability. I could control temperature and lighting periods in my fishroom, but droughts or periods where we had lots of short showers and no sustained rain affected my water changing regime. Plus I once got to hear my daughter refer to the weather as a "good forty gallon rainstorm."...
#5 Re: Rainwater collection/asphalt shingle roof
lharper Posted on: 2006/11/2 7:05
I regularly collect rain water from my roof and use it for my soft water killies, in particular for Maratecoara lacortei. I also use it for hatching South American annual eggs. In periods of drought, I use RO water and I believe that the fish do better in rain water. In all cases the low TDS water is blended with tap water to get a TDS that measures about 80-100 ppm. The first run off is stained brown from leaves that collect on the gutter screen. After an hour or so of a good rain, it is nearly colorless. I strain out any leaves before using. I store it in five gallon pails in the fishroom.
#6 Re: Rainwater collection/asphalt shingle roof
Richard Posted on: 2006/11/15 18:31
Thank you for your response. I appreciate the information.
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