Tropical fish in particular require certain climate control to keep them comfortable and healthy. Look into the temperatures necessary to keep your fish happy and decide on a heating setup if you need one.  The size of heater you need will depend upon the size of tank you have. Check the heater packaging to make sure you are getting a heater that is appropriate for your tank size. Even if you do not require a heater for your aquarium, use a thermometer to ensure the climate inside the aquarium is stable. Proper lighting is necessary to ensure that your fish and any plant life in your aquarium are healthy. Pick a lighting setup that will work to give you the aesthetic you want while maintaining a healthy aquarium.  Standard and compact fluorescent light bulbs are common, easy to replace, and favored by beginners and experienced hobbyists. Metal halides are preferable for large aquarium systems. LED light systems are increasingly more common, but can be variable in the amount of photosynthetically  active radiation that they put out. Check with a local aquarium store to find the right LED setup for your aquarium. The right substrate will depend on what types of fish you have, as well as whether you have live plants or reef components in your aquarium. Choose a substrate that will support all the fish and plant life in your aquarium.  Gravel and sand are common aquarium substrates and are advisable for fish-only aquariums with no living plant life. Aragonite and crushed corals provide a useful substrate for reef aquariums and marine life aquariums that include crustaceans and bottom-feeders. Vermiculite and laterite are nutrient-rich substrates that will help a planted tank grow and thrive. Some form of vegetation or hiding space should be made available to the fish. Decide if you want live or synthetic plants in your aquarium, and consider other functional decorations that may provide stimulation for the fish.  Whether using live or synthetic plants, opt for plants that resemble those found in your fish’s natural habitats. This helps encourage healthy biological behavior. If you choose to use live plants, make sure the plants you get are compatible with your aquarium setup. Check the plant tags for lighting, temperature, and water pH requirements. A hood provides necessary protection for your aquarium, and may help hide some components such as lighting and filtration. Find a hood to fit the physical dimensions of your tank.  Often, you can find tanks that come with the hood as a part of the package at local pet stores and specialty aquarium stores. Check to make sure that your hood can physically accommodate your lighting, filtration, and other aquarium components and still close properly. If you have an acrylic tank, a stand is necessary. Even with a glass aquarium, you may want a stand to bring the aquarium up to eye level and keep it safe within the space. Find a stand that meets your needs.  If you have an external filtration system, the stand will often serve to conceal the filter components. Stands come in a variety of sizes and styles to fit different aquariums and aesthetics. Check local aquarium stores and look online to see what is available to you.
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One-sentence summary -- Decide if you need heating. Choose your lighting. Pick a substrate. Select plants. Find a hood. Select a stand.

Q: Use kitchen shears to trim off the dry tip from each stem of cilantro. Take this time to also remove any damaged or dying leaves, as well. To keep the end fresher and cause less shock to the plant, trim the stems under cool, running water. Place the cilantro in a dish and cover the stems with cool water. Let them soak for five to ten minutes. Soaking the cilantro removes all dirt and debris from the leaves. Since the leaves and stems will be moist when you use this method, cleaning the leaves beforehand is not an issue. If you were using a method that required the leaves to remain dry, however, you would wait until you were ready to use the herb before cleaning it. Transfer the wrapped cilantro to a plastic bag or plastic container with an airtight seal. Close the container and label it with the current date and contents.  If placing the cilantro in a plastic bag, close the top seal, leaving only 1 inch (2.5 cm) of open space. Gently squeeze out all the air before you finish sealing the bag. If placing the cilantro into an airtight container, make sure that the lid snaps on securely and leaves no space for air to slip in or out. Store the container of cilantro in your refrigerator for a week or so.  Cilantro is a fairly delicate herb. As such, using this method to store fresh cilantro may not be as effective as other methods. While a damp paper towel and plastic bag work well for hardier herbs, like mint and parsley, cilantro wilts faster. According to the experiences of many home cooks, methods that allow the leaves to remain dry can actually prolong the freshness of the herb longer. Note, however, that this method is very effective if you only want to keep the cilantro fresh for five days or so. The combination of moisture and cool temperatures can keep the cilantro at optimum freshness and crispness for a few days, but if you need to keep it fresh for a longer period of time, you would be better off with another method.
A: Trim the ends. Soak the cilantro. Place the cilantro in an airtight container. Keep in the refrigerator.

Article: Changing a behavior you have built up overtime takes a lot of time and persistence. Remember that change is a process that is not always linear. Don't be afraid to go back to the beginning and re-assess your behavior. At the same time, don't be hard on yourself if you find yourself unsuccessful on your first attempt. The more you practice and work through your passive aggressive tendencies, the more likely you are to successfully change your behavior. If you find yourself getting off track in your attempts to change passive-aggressive behavior, take a moment to pause and reflect on what is happening. If you want to stop acting passive aggressive, you may be wondering what your other options are. A healthier form of communication is known as “assertive” communication. Assertive communication is a healthy, respectful way to address and confront the person or situation that is causing you to become angry.  It involves speaking your mind when you are angry but maintaining respect for the other people around you. Part of assertive communication is acknowledging that your needs as well as the needs of the other person (or people) involved are important. This takes the focus off of you and shows that you are appreciative of the needs of others. Using “please” and “thank you” can go a long way towards seeming respectful of another. Treat the other party with respect, acknowledging that they have a side to the story as well. Remember to think of any actions you would like the other party to take as requests, not demands.  This will help you word your request appropriately.  It is important that you are specific and that you do your best to stick to the actual facts. While you do want to provide factual information, it is okay to include the way that you feel when you are expressing your anger.  You can emphasize words like “I feel like” or “it makes me feel,” which may help prevent the other party from becoming defensive. Ideally, you and the party to whom you are expressing your feelings can collaborate on a solution to the problem that is making you angry.  Unfortunately, you cannot control the actions of others, and you may need to seek a solution on your own. For example, you and your neighbor may brainstorm ways to keep the dog in check, such as keeping him on a leash or in a fence.  If, however, the neighbor refuses to cooperate, you might have to come up with a solution on your own, such as fencing in your own yard. Communication is just as much about listening and reading unspoken messages as it is about speaking openly and directly. Consider what the other person is saying or not saying in response to your own words or actions.  Remember that conversations are 2-sided and that you are speaking with another human who also has thoughts and feelings. Disagreements are not uncommon. Some of the confrontations you encounter may not be conflicts but rather misunderstandings. You usually are not in any danger if you can defuse your anger and make your discussions constructive and positive. It's possible to agreeably disagree and be able to work out compromises that bring "win-win" results to both parties involved. In this way, you are taking control instead of allowing passive aggressive behavior to send issues out of control.
Question: What is a summary of what this article is about?
Give yourself time to change. Learn about assertive communication. Emphasize that both parties' needs are important. Use respect when communicating. Be clear and specific with requests. Express your feelings. Seek a solution to the problem. Listen and observe. Accept that conflicts are okay.