They are very well presented in tanks with plants, shrimps, etc. The rocks look very attractive individually and arranged in group arrangements. Natural rocks are an excellent decorative additive that fits almost any type of aquarium, terrarium, pond and garden. You just have to remember that they may have different effects on the water parameters the same for the life and well-being of all the inhabitants of the tank so when choosing please make sure not only their appearance but also properties. The original appearance of natural rock allows you to create unique one-of-a-kind arrangement, which will enjoy not only the owners of tanks, but also all of their guests. Dragon Stone is a very nice rock with interesting structure, color and shape. Suitable for all types of aquariums and shrimps. The grooves and holes that cover the rock may be filled with clay, which must be removed with a toothbrush or a pressure washer before inserting stones into the aquarium. Product features: Natural rock for any biotope. Ideal for tanks with plants, shrimps, etc. Stones carefully selected - each piece wrapped in protective foil. Rocks are individually selected to match the weight of your order, but this weight can be up to approximately 10% (for example, by purchasing 5kg of rock, you can get a 4.5kg-5.5kg allowance - but this will be the closest approximation to ordered) When choosing rocks, we try to get a mix of sizes to get the most varied.