Reintroduce Aquarium Sand: You can reintroduce the sand that's picked up by the siphon throughout the cleaning method inside the tank. Nonetheless, be sure you wash it ahead of putting it back inside the tank. Use cold h2o to re-rinse the sand but let it return to room temperature right https://aquariumstarterkituae50258.shotblogs.com/the-definitive-guide-to-aquarium-cleaning-51143032