Ecological water grass tank round cylinder set

include ：15*12round cylinder+base +water grass+mud +seeds   Why choose our products 1. Abandon the traditional fish tank, unlimited venue. Can be placed anywhere in the home for easy landscaping2. Miniature landscape. Scientific Ecological Cycle. The seeds are easy to survive, hardy in all seasons, aquatic weed seeds have low substrate requirements for light, water quality, carbon dioxide, and easy care. Suitable for newbies3. DIY water micro world, add fun to life, slow down life, heal the mood, see nature at home, and create a new home life   Precautions for Water Straw Tank It must be placed in a well lit environment (do not expose it to the sun in summer). Do not tilt and pour water out directly, do not shake it significantly, and do not let children stir the water, grass, and soil with anything! Method 1: Use a water exchanger to absorb water from the outside, leaving one-third or quarter of the water. Use a water exchanger to add water inside, and invert the two heads to