Pro Shrimp

WIO Black Venom Boulder Nano Stone 2kg

WIO Black Venom Boulder Nano Stone 2kg - Main image
WIO Black Venom Boulder Nano Stone 2kg - View 2WIO Black Venom Boulder Nano Stone 2kg - View 3
$6.53 $10.89 In stock

Category: Aquarium Rocks

Black Venom Stones

WIO Black Venom Nano Boulders are gorgeous dark grey rounded stones that become shiny jet black when wet. These look brilliant when used with WIO Black Venom Gravel or white sand. May ever so slightly raises the pH level of aquarium water. Boulder sizes up to 10cm.


Please note: Due to these being a natural product, size, shape and colour will differ from box to box. Pictures are just an example.

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Customer Reviews (5.0 / 5 · 4 reviews)

David C. ★★★★★

The color shift is the real sell here—dry they're a muted dark grey, but once they hit the water they turn this glossy, jet-black shade that makes the whole tank pop. I paired them with white sand and the contrast is exactly the dramatic look I wanted. Each stone is nicely rounded and smooth, so no

Nicholas ★★★★★

I was pleasantly surprised at how clean these are straight out of the bag—no dust or residue to rinse off. They sit perfectly in my nano tank and the subtle gray tones really make the white sand pop once wet.

Lucy E. ★★★★★

The way these stones look jet black once submerged completely transformed my scape. They have nice rounded edges and a smooth texture that feels natural to stack. Exactly the dark, glossy contrast my white sand needed.

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