this week with a "back to the basics" type show for you all. In this show i cover two topic. The first topic is on various types of water testing and details on water parameters, and the second is a quick topic on Aptasia control methods, here are some details: Water testing and Parameters: - Refratometers and Hydrometers - Specific Gravity and Salinity - Nitrate Nitrite and Ammonia - PH - Calcium, Alkalinity, Magnesium Aptasia Control: Natural: - Peppermint Shrimp - Copperband Butterfly fish - Berghia Nudibranch Non Natural: - Kalk Paste - joes juice/lemon juice - vinegar - boiling water