It is recommended to use continuously for a few days for the first use. In most cases, you will see the water starts changing after 2-3 days (it depends on the size of your fish tank and water quality). Keep the machine work until the water becomes completely clear, then you can use it for 2-4 hours a day to maintain the good condition of the water.
If the water in your fish tank is only turbid/green, you can use this machine directly. If the algae in your fish tank grow and fix on the decorations or other places, you need to remove it first, then use this machine, the water will remain clear in the future.
After receiving the product, must remove the shock-proof sponge inside the product before using it. (For detailed steps, please see the third product picture in this product page)
Because this product contains a small motor inside, used to drive water circulation, so when it without water to work, it will make a loud motor empty work sound, but as soon as it is put into water, the sound will disappear.In addition, in order to ensure the machine have best performance, we have checked all the machine (in water) before shipment, so after receive the machine, it may be wet inside, please do not worry, it is brand new.
4 Function in 1 Machine: water pump(adjustable) + air pump + filter + Clean, can directly use in the fish tank, No other connection requirements.
In order to maintain the best cleaning effect, recommended to inspect the machine every 1-2 weeks: open the out casing, 1. clean filter sponge, 2. check whether bulb work well, 3. check whether have water entered the quartz glass cover, due to the bulb generates heat during operation, it may cause slight water in to the quartz glass cover after a long time. if there is a slight Water into the glass cover (without affecting the bulb), just drain the water is OK)