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Re: [APD] Ammonia and Nitrates
I think that experiment proves beyond a doubt that if we want to keep
water in a jar on a sunny window sill, and don't want algae to grow in
it, we shouldn't add a large amount of nitrates to the water. I will
certainly try to remember that.
On Friday, December 2, 2005, at 07:55 AM, Brian Waldbaum wrote:
> I read your post on the BarrReport in which you described your
> I'm still baffled as to why you concluded that excessive nitrates cause
> algae when the jar
> dosed with NO3 also had 15x the amount of PO4 relative to the non-dosed
> On Dec 2, 2005, at 8:40 AM, Bill D wrote:
>> Last summer I put two one gallon jars in a sunny location. One
>> well water which was relatively low on nutrients; the other contained
>> water plus 60 ppm of NO3.
>> After a month the low nutrient jar had almost no algae present. The
>> of the
>> higher nutrient jar was covered with algae, so much so that some of it
>> to be
>> scraped off to see the water.
>> the purpose of the experiment was
>> to test
>> the effect of high nitrate levels on the growth of algae, and it did.
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