yes dial two is for the ph7 and the dial one for the ph4. the ph7 one i can calibrate but the ph4 i can not cause it goes from 8,6ph if i turn the dial it goes down to 6.5ph which the dial is at minimum does not go any lower than that
Hey there. Go check it out... Ive started a thread on the monster tank. Pls go nominate it or something... Lol.. This is gonna be epic!! But dont forget.... You gonna have to be my wingman woth this one... Its a beast !!