You can get white Vitamin C tablets at your local health food store or online. Look for ones with a white, rather than orange or red, coating, as this will ensure the color does not bled onto your hair when you use the tablets. If you have longer hair, you may need to use 20-30 tablets. If you have shorter hair, 10-15 tablets should be enough. Make sure the bag is sealed tightly and properly after you put the tablets in. Put the bag of tablets on a flat surface like a table or countertop. Roll the rolling pin over the bag to crush the tablets until they form a fine powder. Another option is to put the tablets in a spice grinder and grind them that way.
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One-sentence summary -- Use white Vitamin C tablets for the best results. Put 10-30 tablets in a resealable plastic bag. Crush the tablets with a rolling pin.

Stink bugs are attracted to light, so you should avoid bright porch lights or other outdoor lighting. If stink bugs approach your home they are likely to eventually make their way inside. Use outdoor lights only when you need them, or consider purchasing a motion-detector light to eliminate the need for constant lighting during the night. If you see stink bugs in the area right outside your home, make a point of crushing a few of them. The smell emitted will serve as a warming for other stink bugs to flee. Avoid carrying the smell back into your home by crushing the bugs with a gloved hand and paper towel, or by placing a paper towel over the bug before stepping on it. The smell of fragrant dryer sheets is unappealing to stink bugs. Rub a fragrant dryer sheet over the entire surface of your screen windows. The scent will catch on the mesh and ward off the bugs. Stink bugs are drawn to moisture, so do your best to prevent excess water in your home that might lure them in. Check all of your faucets to make sure that none of them are leaking. If they are, try fixing them yourself or call a plumber for assistance. Purchase a urethane caulking gun from a hardware store to repair cracks in concrete that are smaller than 0.25 inches (0.64cm). Apply the caulking by drawing the tip of the gun down each crack, filling it completely. Repair small cracks in the building at least once a year. Wear gloves and old clothing while applying caulking, as it is very difficult to get off your hands and garments. If a crack in your concrete is large, use your hands to squeeze a piece of foam backer rod into the crack until it is 0.25 inches (0.64cm) below the surface of the concrete. Using sharp scissors, cut open a tube of urethane caulk so that the opening is approximately as wide as the crack. Squeeze a line of caulk over the crack, then use the back of a spoon to smooth the caulk flush against the concrete. Holes in window screens can provide the perfect opening for stink bugs to crawl through. Use clear nail polish, glue, or screen material patches to repair small holes in a screen. If a screen is too damaged to repair properly, replace the entire screen to ensure that no bug get in. Purchase a bifenthrin insecticide spray from a hardware store to treat the outside of your home in the fall. Follow the directions on the label carefully and spray the liquid upwards on each wall. Since you will be spraying above you, wear goggles, a plastic poncho or jacket, and a hat or hood to protect yourself from the falling spray. To make things easier, opt to hire a professional pest control company to treat the outside of your home. Test the spray on a hidden corner of your home to see if it ruins the siding or paint before treating the whole house. Fill a large bowl or tray with 1 tablespoon (15ml) of dish soap and 10 cups (2.4L) of water. Shine a bright lamp directly onto the trap to attract the stink bugs. They will crawl in and drown in the soapy water. Wet a towel with water and wring it out. Hang it outside overnight to attract the stink bugs in the area. In the morning you can dispose of the bugs that are stuck to the towel by dousing it in a basin of soapy water or by vacuuming them off.
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One-sentence summary -- Keep outdoor lighting to a minimum so you don't attract stink bugs. Squish stink bugs outside your home to drive away others. Rub your window screens with dryer sheets to repel them. Fix any leaky faucets to reduce stink bug-attracting moisture. Fill small cracks on the outside of the building with urethane caulking. Repair large cracks with a backer rod and caulk. Fix or replace damaged window screens to prevent access. Spray insecticide on your outside walls in September or October. Make an outdoor trap with dish soap and water to kill stink bugs. Hang a wet towel outside overnight to catch them.

If a stream or river runs through a paddock space, it can provide a source of water for your cattle. You can construct an access ramp, so that cows can access the water easier without polluting it. Or, you can use a siphon system to fill up water tanks from this source. Another alternative is to install an animal-operated pasture pump. This is a water pump that is triggered by a cow's nose pressing against the lever in the water tank. Then, the water is automatically siphoned up from the river to fill the tank. If you are using a freshwater spring or river as a water source, it's important to clean it out periodically to ensure that it doesn't become contaminated and spread disease. As a general rule, cattle need daily access to between 1-2 gallons of fresh water per 100 pounds of body weight. This means that you'll want at least 1 tank per paddock that can hold the minimal amount of daily water for the animals in that space. Pastured cattle can survive by primarily eating grass. However, if your cattle are primarily in a dry-lot or if the weather is poor, then supplementing with grain or hay is a good idea. Talk with your vet about which grain or hay to use and how much to feed your cattle. Use a hay rack or clean feed container in a paddock or barn to give your cattle hay or grain. Wet, moldy food can actually sicken your animals. If the hay or grain gets wet, discard it immediately. Feeding your cattle grain helps you to form a positive relationship with them, too. They'll associate you with food and are more likely to come to your calls. Cattle can't store salt in their system, which means that they need to ingest it daily for health. Fill up a feeder with a fortified trace mineral salt mixture and place it near where your cattle sleep at night whether in a paddock or barn. In addition, place at least 1 rock salt and mineral-blend block in each paddock. You can purchase these salt products at your local feed store or even online through an agricultural supply company. As a general rule, a 1,300-1,400 pound cow will need between 35-45 grams of salt per day. If you have 100 cows, then you'll need about a 55 pound bag of mineral salt mixture each week. If your cows balk at the taste of the salt mixture, try stirring in some dried molasses to improve the flavor. Your vet will be able to tell you which vaccinations are suggested for your cattle. Some shots you may be able to give on your own, but others will require a vet visit. It's also important to monitor your dry-lot cattle especially closely, as they are more prone to illnesses, such as pneumonia. A dry-lot is a fenced area that is free from grass. Most cattle owners rotate their animals between dry-lots, grassed areas, and enclosures. Dry-lot cattle often suffer from respiratory illnesses caused by the dust in the air. Cattle vaccinations can help to protect your animals from diseases, such as blackleg or Bovine Viral Diarrhea (BVD). Monitor the health of your bulls closely during breeding season, as they can injure one another in the process of competition for breeding rights.
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One-sentence summary --
Supply fresh water for your cattle. Supplement their diet with feed. Provide a source of salt. Work with a livestock vet to monitor your herd's health.