AquaNatural Diamond Black 10lb, Premium Gravel and Substrate for Aquariums, Fish Tanks and terrariums, 2-4mm

✔️ Time Saver: Hygger Bucket-Free Water Change Kit makes routine aquarium maintenance work a breeze, saving lots of time and energy on cleaning the mess caused by carrying bucket back and forth, easy to assemble and use ✔️ No Bucket, Auto Siphon: Simply attach to faucet, then turn on the tap, water will automatically start to flow out of the tank through gravel tube. By using the pressure of clear water from faucet to siphon waste water and debris out of aquarium. (PS: FAUCET IS NOT INCLUDED) ✔️ Draining, Filling & Gravel Cleaning: this fish tank siphon pump enables to draining and cleaning gravel at the same time as long as filling aquarium. Just move the gravel tube in a up and down motion to vacuum out debris from gravel. (NOTE: only with strong water flow can the gravel cleaning be fulfilled, agitate the gravel to suck out debris)

【Quick Water Change】Only two valves and a long hose are needed to quickly complete the water change of the fish tank, and use the pressure of tap water to drain water. This semi-automatic water changer is suitable for medium and large fish tanks. 【No Buckets, No Spill, No Noise】Easy to install and simple operation, no bucket required, the dirty water in the fish tank is drawn out under the pressure of tap water, After the drain is completed, just switch the valve to add water. 【Gravel Cleaning】 The 16.5inch long cleaning tube has a built-in filter. When draining, gently agitate the gravel to remove the debris. It will not make noise and the fish will not be disturbed.

🐡FUNCTION 1 SAND WASHING: 9.85ft super high head, and the water changer pump can provide a strong flow of up to 396GPH, the power of sand washer is sufficient to quickly change the water, saving half the time compared to manual. In addition, the accessorie has been upgraded with a filter sponge inside, which can block the sand from entering the motor pump and cause blockage. 🐡CLEANING 2 FUNCTION: Our sand algae cleaner have four spliced rigid tubes, which can be extended to 11.4 inch to 40.5 inch according to tank. With brush heads, each corner of the fish tank can be cleaned. Aquarium gravel cleaner can also be used with the duckbill suction port to suck dirt from the corner of the fish tank, and the dung can be easily sucked away. 🐡FUNCTION 3 FILTRATION and WATER CHANGE: Use filter housing, you can directly drain clean water back into the tank. The filter material can be washed and used multiple times, and other filter materials can be replaced. Use water pipe, the water is directly flows out of the tank. It is suitable for very dirty fish tanks. It can also change and add water. The starting water level can be as low as 2in and the pumping as low as 0.3in.