I'd ask where you got the black sand, but if you are in the UK I don't think I can afford the shipping. Tank looks great.
Yeah from eBay link below if US delivery is possible
Aquarium Sand Black 25Kg bag 1.7mm grade | eBay
The sand sparkles under led fluorescent lighting. A natural 0.2 - 1.7mm grade so is a course grade gritty sand. Looks great and is an ideal substitute for gravel. 100% natural Contains no artificial colours or dyes Suitable for Tropical and Coldwater fish.
www.ebay.co.uk
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