Starbucks coffee grounds are acid (a pH of around 6-5.5)
Bed C is alkali pH of around 7.5
Bed B is acid 5.5
My compost is acid 5.5
NEW THINGS I HAVE TRIED
Used a pH test for the garden
DIARY COMMENT
Things don't seem to be growing as well as I had hoped I had a hunch that maybe my soil was too acid so I bought a PH test. Below is the chart and the results (the main bed I was testing is the splodge in the middle)
PH 5.5 LEFT TOP- Used Coffee grounds
PH 5.5 LEFT BOTTOM - Used Coffee grounds (decaf)
PH 7.5 CENTRE - BED C
PH 5.5 RIGHT TOP - My compost heap
PH 5.5 RIGHT BOTTOM - BED B
As you can see by the test my soil is quite alkali (not acid as I thought). It seems that most is about neutral (around 7) but spots of strong alkali (8-9). I have also been taking advantage of Starbucks policy of giving away used coffee grounds and been adding to the compost. (see below)
It says on the coffee that the pH is neutral. I heard that coffee is often a bit acid so I tested it.As you can see they came out fairly acid.
So the coffee might work well to neutralize the alkali in my soil. Any thoughts?
NEW THINGS I HAVE TRIED
Used a pH test for the garden
DIARY COMMENT
Things don't seem to be growing as well as I had hoped I had a hunch that maybe my soil was too acid so I bought a PH test. Below is the chart and the results (the main bed I was testing is the splodge in the middle)
 |
| From Garden 5/07/09 2:29 PM |
 |
| From Garden 5/07/09 2:29 PM |
PH 5.5 LEFT TOP- Used Coffee grounds
PH 5.5 LEFT BOTTOM - Used Coffee grounds (decaf)
PH 7.5 CENTRE - BED C
PH 5.5 RIGHT TOP - My compost heap
PH 5.5 RIGHT BOTTOM - BED B
As you can see by the test my soil is quite alkali (not acid as I thought). It seems that most is about neutral (around 7) but spots of strong alkali (8-9). I have also been taking advantage of Starbucks policy of giving away used coffee grounds and been adding to the compost. (see below)
 |
| From Garden 5/07/09 2:29 PM |
It says on the coffee that the pH is neutral. I heard that coffee is often a bit acid so I tested it.As you can see they came out fairly acid.
So the coffee might work well to neutralize the alkali in my soil. Any thoughts?
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