Though goldfish are freshwater fish, a salt bath can be great for your fish's overall health and help him recover from a lack of oxygen. However, if your fish is already on other medications or if you are using other treatments to revive him, you should only do a salt bath before giving him other medications or after you have completed other medications or treatments. Sea salt, kosher salt, aquarium salt and pure Morton's rock salt are all recommended for use. If possible, use natural sea salt with no additives, as it is high in minerals. Use a container that is clean and free of any contaminants. Add tank water to the container, as long as the tank water is safe to use, or add fresh water that has been de-chlorinated. Ensure the water temperature in the container is the same as the temperature of the water in the tank, or within three degrees of the same temperature. Add one teaspoon of salt per gallon of water. Mix the salt into the water to ensure all the granules have dissolved and then place your fish in the container of salt water. Keep your fish in the salt water for one to three minutes, and observe your fish during the salt bath. If your fish displays any signs of stress, like rapid swimming or jerky movements, move your fish back into his main tank. Garlic is a natural detoxifier, and can help to purify your fish. Make your own garlic water by peeling a medium size garlic bulb and mincing it up. Then, place the minced garlic in hot water and let it sit at room temperature for up to 12 hours. You can then mash up the cloves and strain it to create garlic water. The garlic water can be kept in the fridge and is good for up to two weeks. Use the garlic water the same way you would use salt in a salt bath. Use about 1 teaspoon garlic water per 10 gallons (37.9L) of tank water. Then, give your fish a purifying garlic bath for one to three minutes. You can also give your fish garlic water to help prevent infection. Apply it to your fish's mouth using a syringe or an eye dropper, two drops a day for 7-10 days. Chlorophyll is considered medicine for goldfish and can help boost your fish's immune system and health. Look for pure liquid chlorophyll at your local pet store. It usually comes in drops. Give your goldfish a chlorophyll bath in his tank, following the instructions on the bottle. You can also give your goldfish chlorophyll by adding it to his gel food. You can purchase this product at your local pet store. Most stress coat water conditioners are made with aloe, which helps to sooth stressed out fish and heal any damaged tissue on your fish. Using a stress coat water treatment can help your fish recover after being revived.
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One-sentence summary -- Give your fish a salt bath. Try a garlic bath. Add chlorophyll to the tank. Use a stress coat water conditioner.

Finding new activities to participate in is a great way to build a more active social life. You could try finding a new intellectual pursuit. This will help you to sharpen your mind at the same time that you are meeting new people. For example, you could join a local book club. Check with your neighborhood bookstore or local library to find out what sorts of groups they offer. You'll get exposed to a new array of literature, and hopefully, have fun discussing what you've read. Look for a lecture series. Many community centers and libraries have regular events where a local author or public figure delivers a talk. These events are a great way to interact with other people and be part of your community. Colleges and universities also regularly offer these types of events. This is a great time to try finding a new place to explore. You could take a bus trip up to a winery and enjoy a wine tasting. You could join a nature group and go on easy hiking excursions. Chances are, there are places nearby that you've yet to explore. Check out local groups for these types of excursions--you can often find inexpensive day trips. Birdwatching is an excellent way to explore the habitat around you. You could find a class at your local community college and meet others who would like to explore nature with you. Participating in a hobby can be a fun thing to do with friends. Look for a common interest that you and a friend (or relative) share and devote some time to pursuing that activity. Finding a new hobby can be a great way to help you keep your social connections strong. Maybe you have always wanted to pursue photography. This would be an excellent new skill to learn. You could also use it as a social activity by using your friends and family as test subjects. Try taking a dance class. Your new dance partner might become a new friend. Dancing is also a great way to stay physically active. Sometimes it can be intimidating to try new activities. If you're a little bit shy, try bringing a friend, neighbor, or relative with you on an outing. Having company can help give you the confidence that you need to take the leap and try something new. Try setting up a regular activity. Being the organizer allows you to invite a variety of people, and set up things that you like. For example, you could organize a weekly coffee club or a monthly dinner party. Volunteering is a great way to help others, and to find a productive way to fill your time. Spending time volunteering is also a great way to meet other people who share your interests and ideals. Make sure to find a volunteer opportunity that fits both your skills and interests. Try to find a way to volunteer that utilizes your skills or passions. For example, if you love animals, try contacting your local shelter to see if they need dog walkers. If you are a former teacher, you could volunteer helping under-privelaged youth learn to read. Your local library is a great place to learn about volunteer opportunities in your area.
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One-sentence summary --
Exercise your mind. Explore new places. Find a new hobby. Recruit others. Volunteer.