In one sentence, describe what the following article is about: Purchase nitrate level test strips at a pet supply store. Dip the strip into the water and read the results on the strip. The nitrate levels in your fish tank should never go above 40 ppm, and ideally the level should stay under 20 ppm. Test your fish tank's water weekly to ensure that the nitrate levels are always within this range. High nitrate levels can lead to disease and death in fish, so it is crucial that you monitor the levels in your tank. High nitrate levels may also contribute to algae overgrowth, which will make your fish tank look dirty and unattractive. Since waste products are a primary cause of elevated nitrate levels in fish tanks, it is important to clean out the waste from the bottom of the tank regularly. If you test your tank and levels are high, use a fish tank vacuum to clean in and under the gravel in the bottom of the tank. Make sure to remove your fish and put them into a temporary tank while you vacuum the substrate. Do not vacuum the tank while your fish are in it! Removing too much water at once will shock your fish and this may make them sick, or even kill them. To avoid this, only take out about 25% of the water at a time and then replace it with fresh, low-nitrate water. Make sure that the water you use does not have a nitrate level above 40 ppm. Use the same test strips that you used to test your fish tank to test your tap water. If the nitrate level is above 40 ppm, you may need to purchase water for your fish tank from a pet store. Once you have cleaned the tank and added the new water, dip a test strip into the tank to test the water again. Your fish tank's water is in the right range if the levels are under 40 ppm. Plan to make further adjustments if the nitrate level is still above 40 ppm, or if you want to try to get the level even lower, such as under 20 ppm. You will need to make additional adjustments to your tank's water over the next few days if they are not in the right range when you retest them. Remove and replace an additional 10% of the water per day until the levels are where you want them to be. For example, if the new level is 45 ppm, then replace 10% of the tank water the following day and test it again. Keep doing this until the level is at or near 20 ppm.
Summary: Use a test strip to determine if the nitrate levels are high. Vacuum the bottom of your aquarium to remove waste and lower the nitrate level. Remove and replace about 25% of the water in the tank to lower the nitrate level. Retest after a few days to check the new level. Replace 10% of the water each day if you still need to lower the nitrate level.

In one sentence, describe what the following article is about: It should open and close smoothly. Sometimes pre-hung doors will have an adjustable sill, which can be useful it the door isn't quite adjusted perfectly. You want to make sure that the door doesn't scrap the floor inside your house. Verify, from the outside, that there is even contact between the door front and the weatherstripping on the section of the frame opposite of the hinge jamb. If necessary, make adjustments by moving the jamb in or out, at the top or the bottom. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/c\/c1\/Install-an-Exterior-Door-Step-9.jpg\/v4-460px-Install-an-Exterior-Door-Step-9.jpg","bigUrl":"\/images\/thumb\/c\/c1\/Install-an-Exterior-Door-Step-9.jpg\/aid1368895-v4-728px-Install-an-Exterior-Door-Step-9.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"<div class="mw-parser-output"><p>License: <a rel="nofollow" class="external text" href="https:\/\/creativecommons.org\/licenses\/by-nc-sa\/3.0\/">Creative Commons<\/a><br>
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<\/p><\/div>"} Inspect the edges of the inside face of the door. Be sure that there is a continuous gap of 1/8 inch (0.3175cm) between the door edges and the jamb, all the way around the door. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/7\/7b\/Install-an-Exterior-Door-Step-10.jpg\/v4-460px-Install-an-Exterior-Door-Step-10.jpg","bigUrl":"\/images\/thumb\/7\/7b\/Install-an-Exterior-Door-Step-10.jpg\/aid1368895-v4-728px-Install-an-Exterior-Door-Step-10.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"<div class="mw-parser-output"><p>License: <a rel="nofollow" class="external text" href="https:\/\/creativecommons.org\/licenses\/by-nc-sa\/3.0\/">Creative Commons<\/a><br>
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<\/p><\/div>"} Drive 3 inch (7.62cm) screws through the shims at the hinge sites on the hinge jamb. Secure the remaining jambs all the way around the door, always driving the screws or nails (whatever is suggested by the manufacturer) through the shims. Place a solid shim behind the site of the lock strike. Verify occasionally that the door assembly is remaining properly adjusted. Install the lock strike, putting the screws through the shim. Finish the job by installing loosely packed, fiberglass insulation around the edges of the door frame. Install interior trim, following the manufacturer's instructions. Apply paintable caulk along all of the joints and intersections of the trim and the brick-mold. Fill holes left by the screws with wood filler and allow to dry. Wear gloves, because you do not want to get caulk on your hands.
Summary: Test the swing of the door. Secure door-jambs. Install insulation.

In one sentence, describe what the following article is about: you reach this just before the encounter with baralai. go back to the junction. This will open the path to the dark knight dress sphere.
Summary:
Know that the dressphere dark Knight is very powerful and hard to find out exactly where it is There are two opportunities to obtain this dress sphere, once in chapter 3 and again in 5. In chapter 3 when you are in the bevelle underground there is a junction with three lifts. Take the right lift up and when your at the top look for a place where you can jump back down to the junction without using a lift (its near the bottom and kind of hard to find) and jump down. In the junction take the middle lift to a small secret area and jump on the platform that is there, this will trigger a switch. Take the left platform to back to the top floor, go all the way to the right and take the right lift back down to the junction. Use the middle lift to go up to a second small secret area and jump on the platform there as well,opening up the second hidden switch. If you miss getting this dress sphere in ch3 you can come back in ch5 to claim it. Find your way into the bevelle underground by using the lifts, the process will be identical except there will be no bosses.