To fully exhaust aerosol spray can, which is usually just thrown away, there are wonderful sites: valve and spray head. The latter, for example, can turn into a spray of ordinary rubber tubing. You only need to choose a tube head tightly into the hole of the proboscis pear.
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The wall of the tank is often covered with the inner side greenish tinge. It is usually removed with a scraper, not releasing aquarium. Thus inevitably damaged plants, turbid water. The...
