You will corncern about the following issues: The water color doesn't change ? Pls check whether the dual detox machine is working. When the time button flash and the amerage show "0 , it means the foot spa machine doesn't work. so maybe the loose connection of the wristband. Pls check it. If the time button is not flash and the amerage show "number, pls change the array. The ionic detox machine doesn't turn on? The dual foot spa machine we sold is 110v, pls check the Voltage before you used it. Dual Ionic Ion Foot Machine for Detox, Enjoy Beauty, Enjoy Healthy. The first wealth is health. Detoxification and cleansing trends are growing in popularity as the population is understanding the significance to their overall health. An ongoing detoxification regimen is a solution to cleanse and balance the body. Benefit For detox foot spa: A stronger immune system Improved memory Significant pain relief Remove heavy metal Increase physical and mental energy Specification： Application: foot & body detox Voltage: 110v/60Hz Size: 15.75" x 11.4" x 4.7" Power: 60w Current: 0.5-2.5A Material: ABS Frequently Question Answer Q:Do i need pure water to do the foot spa? A: No, pls don't use the pure water, the tap water is ok. Q: The arrays doesn't bubble. A: If the detox machine doesn't work , the arrays will not bubble. Pls wear the wristband and put your feet into the water when using the machine. Q: why the machine beeps while in use? A:The spa machine beeps when the amperage is greater than 2.5, The amperage is based on the amount of salt in the water.Solution: When this happens, pls turn the machine off, dilute the salt water in the tub with a small amount a fresh tap water to dilute the saltwater. Q: Why do you add salt to the water? A:can increase the conductivity of water, adjust the strength of human I0, and achieve the best discharge effect. It can also strengthen the concentration of ions in water and speed up the operation of ions in electromagnetic field Frequently Question Answer Q:Do i need pure water to do the foot spa? A: No, pls don't use the pure water, the tap water is ok. Q: The arrays doesn't bubble. A: If the detox machine doesn't work , the arrays will not bubble. Pls wear the wristband and put your feet into the water when using the machine. Q: why the machine beeps while in use? A:The spa machine beeps when the amperage is greater than 2.5, The amperage is based on the amount of salt in the water.Solution: When this happens, pls turn the machine off, dilute the salt water in the tub with a small amount a fresh tap water to dilute the saltwater. Q: Why do you add salt to the water? A:can increase the conductivity of water, adjust the strength of human I0, and achieve the best discharge effect. It can also strengthen the concentration of ions in water and speed up the operation of ions in electromagnetic field Ionic Detox Machine Dual Detox Machine Portable Detox Machine Detox Machine Detox Machine with Tub Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.3 out of 5 stars 65 4.0 out of 5 stars 86 4.0 out of 5 stars 230 4.1 out of 5 stars 52 3.9 out of 5 stars 19 Price $97.20$97.20 $151.80$151.80 $31.49$31.49 $111.99$111.99 $108.00$108.00 Detoxifiction Mode 5 Modes 8 Modes One Mode One Mode One Mode Feature 3 In 1 Detox Machine with Mp3 player Plug and play with heating belt Plug and play User count can serve 1-2 person simultaneously can serve 1-2 person simultaneously one person one person one person With Heating belt ✓ X X ✓ X Arrays count TWO TWO ONE ONE ONE