Planted Tank Guru
Join Date: Apr 2011
Location: Hamilton, Ontario, Canada
Most of the pH pens go from 0-14, look for one with ATC (automatic temp correction). I got mine off Ebay from overseas, took 3 weeks to get it but was like $7. You can get them on Amazon and get it quicker for like 20-$30.
20g platy, , 2 x 10g shrimp, 3 x 20g shrimp, 7.5g shrimp and 1 great dane/mastiff puppy.
Sump Pimp #2
My Tanks and my shrimps