What is the quota of pond compound geotextile cover?
500 grams of a cloth or a film or two cloth a film, water depth of 3-5 meters without any problems, and then into a deep reservoir, and then you can use 700 grams of the pond with the Yuanmingyuan do impermeable with 150 / 0.4 Mm, but the general pond 150 / 0.3mm is very good.
