Product Description:
Item Type:Aquarium Substrate
Material:Gravel
Pattern:Solid

Features:
1.Long fertility: with rich trace elements, this aquarium gravel has a longer life than common gravel and it is really economic.
2.Easy Method: it will never become powder and muddy water. You do not need to wash it and it can be put in the fish tank directly to be used.
3.Economic Friendly: the nutrient composition is in the gravel and can send out continuously which will not pollute the water.
4.High Stability: it can be adjustable and the size of the grain is moderate. The gravel is not decomposed easily.
5.Senior Color: mysterious solid black can make your fish tank more attractive.

Notes:
1. Please allow 1-3 cm difference due to manual measurement and 3-5 g for the difference between different colors.
2. Due to the screen difference, the color may be a little difference from what you expect, please allow it.