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Vector illustration of silica gel in a small white bag with a cut-off corner with a scattered pile of adsorbent crystals, desiccant polymer balls. Form of silicon dioxide isolated on a white ...

Uncover 10 unique beaches around the world, from the stunning rock formations of Cathedral Beach to the magical glow of Vaadhoo Island. Perfect for your next travel adventure!

So what should we use in the aquarium to allow them to behave naturally, without damage to their barbels? Heiko Bleher explains. I strongly suggest only fine silica sand, ideally white or beige, but ...