The solution will last quite a long time and you also have to use the regent in your ph test kit to make it blue.
Once I got a defective regulator and they had to exchange it but other than that no problems. If you research enough you will always find someone that has had a problem with any brand of equipment.
Once I got a defective regulator and they had to exchange it but other than that no problems. If you research enough you will always find someone that has had a problem with any brand of equipment.