19-09-2010, on my aquarium-1-
(no filter, no fish, 2 weeks, exposed to sunlight)
result remained same- acidic
30-8-2010, on my aquarium -1-
pH test
28-8-2010, on 2 feet long aquarium, 2/3 of tap water
30-8-2010 (after 2 days, same aquarium, same water),
result is same: alkaline)
