Estes Gravel Products AES06606 Este Marine Sand Black for Aquarium, 5-Pound

【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.

Scrape Off Algae With Ease -- Tired of dirty fish tanks? Our aquarium scraper is a sponge that helps to lift even the most stubborn algae off the glass. Simply scrub the glass walls with the pad and clean water, to help the build-up disappear in no time Made for Glass -- The aquarium scrubber doesn't have excessively sharp or hard fibers. Specially designed to be the ideal glass tank cleaner, as it is specially made to help avoid scratching or damaging your aquarium walls. Please note that this aquarium brush should be used with water and only on glass surfaces. Other surfaces, like acrylic, may scratch Multiple Cleans -- Our algae pad is large and thick when compared to others (3.25” x 3.25” x 1”). This allows you to use each aquarium glass cleaner numerous times. Scrub off gunk as often as you need with our 4 pack