ammonia 0
nitrate 0 nitrite 0
ph 6.6
tds 210
temp 24 c
copper 0
gh 9
kh 2
1 was really active swimming around then i came from work its dead
water change 10 percent 11 days ago
i dont know whats went wrong
try aliexpress i think i saw $7+
http://www.aliexpress.com/item/Digital-pH-Meter-Tester-Pocket-pen-type-Aquarium-Pool-Water-B16-1072-China-Mainland-10-Digital/1926945243.html