Yeah the calibration solutions(4.01,7.01,10.1) are included FREE through this company. Do you feel this is a great deal and perfect for a newbie to hydro?

W E E D 4 L I F E
Weed4Life Reviewed by Weed4Life on . Hanna 4-1 tester the cheapest I seen http://sunstoneherbals.com/hanna_combo_ph_ec_tds_temp_waterproof_tester_hi98129.htm This is for anyone looking for a good and affordable tester. I will be buying one in about month or so. So if anyone out there is using this combo, post your praises or complaints about this item. Weed Rating: 5