Martin Kokoruďa

Martin Kokoruďa

Martin Kokoruďa
More ideas from Martin
blue eyes

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.

Have you ever vacuumed your tank and run out of water before you run out of crud? DIY powered gravel vac from old fish tank parts

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

Overflow Diagram

This article explains the basic concepts of how an Overflow/Syphon box for a Wet/Dry filter works.