PUPPS Rash During Pregnancy â What You Need To Know. By Sam McCulloch in Pregnancy. Pregnancy brings with it many experiences â some amazing and some less welcome. For around 1% of pregnant women, a very unwelcome side effect is an itchy rash known as PUPPS (pruritic urticarial papules and plaques of pregnancy).
Most oxygen cylinders are required to be tested every 5 years. This test ensures the cylinder can safety hold the maximum fill pressure. are two other markings which are sometimes found on these cylinders. 10% above the pressure stamped on the cylinder.
Once you determine a schedule that works for you, testing can be done less frequently to confirm your routine is adequate. As a general guideline, you could start with a 20-30% water change once a week. Some people prefer to do a larger change less frequently, such as 40-50% every two weeks. I believe the latter is less desirable since the water chemistry changes more dramatically at once, putting more stress on the fish.