What does it mean if mine are green sometime and blue sometime? <<<< The clothes you wear have an effect on your eye color. So does lighting. That’s what happens with lighter eyes. Also there is no way to determine personality from eye color.
Clean the gravel in your aquarium without dumping the entire tank! Attach a plastic tube on the input and output valve of an aquarium pump. Connect the input tube to the hose of a gravel vacuum with a