Types of trees according to the duration of the leaves. Picture of a pine tree with an evergreen needle-shaped leaf. There are approximately 60.000 o 70.000 species of trees. They can be sorted by numerous criteria, from their use in gardening until the value of its timber. However, the two main criteria which are usually taken into account are the duration of the leaves and the type of flowers they produce.
July 27, 2010. 1  Brita water filters clean and sanitize drinking water. 2  Remove the filter cartridge. 3  Add six to eight drops of bleach to one gallon of water in the sink or a large bowl.  Fill your sink with enough fresh tap water to submerse the entire filter 1  cartridge. Fill the pitcher with water.
5. Thatâs it. Now return the sponge or pad to the filter and return the filter to your fish tank. Pour any remaining water from your cleaning project inside it, if it isnât crawling with gunk, that is, and turn the filter back on.. Siphon or scoop out some water. You will need about two cups of water from the tank to use to clean the filterâs sponge. For the benefit of your fish, you will want to use existing tank water, not tap water or distilled water.