In rare cases, hypokalemia is caused by too little potassium intake. Many things can cause potassium loss. The most common cause is the use of diuretics, or pills that cause urine production. Diarrhea, vomiting, and excessive use of laxatives can also cause symptoms.
How to Use a Trencher. When it comes to digging, a trencher can dig a trench that's 4 feet wide and up to 36 inches deep. Use these step-by-step instructions to easily dig a hole in no time with the right equipment.
1 Septic drainfield trench length: The maximum length of a trench is typically about 150 feet but we have found installations that were three times that length. 2  Some writers opine that the maximum septic trench line is 100 feet.3  A realistic answer is, it depends-on site and soil conditions. Septic drainfield gravel specification: typically, washed gravel, 3/4 to 2 1/2 (pretty big) gravel is placed for a depth of 12 under the drain line piping (septic drain tile in some references).