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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
adjustable flow output
400: For medium to large tanks
Synthetic granular ferric oxide (GFO)
Less dust and thus is easier to use than most competing GFO products
Add Multiple Dosers with Ease
WIO Ryuoh Boulder Nano Stone 2kg aquarium adjustable flow outputRyuoh Nano Stones WIO Ryuoh Nano Stones feature striking bold layered grey colours, interspersed with subtle beige and white mineral veins. These contrast well with lighter coloured plants and decor. May ever so slightly raises the pH level of aquarium water. Stones are sized from 3 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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