Happy new yr reefers! Hope everyone reef tank is doing well. Been some time since update as bz with work. New yr time to try new things Sodium Hydroxide dosing- Raising alk and pH, much better than kalkwasser as its more concentrated due to its better solubility in water. Some reefers try potassium hydroxide dosing but this means dosing potassium into the reef tank, as i dont really do any icp or potassium testing so not considering this method. Really dangerous to prepare as Lye is quite corrosive, Doing necessary precautions, dont prepare with kids at home and ensure dosing container is hdpe/PP. Those commercial dosing container mostly acrylic base probably not ideal for long term storage Bought this kamoer dosing container which is hdpe material, 5L can use long time Remember to don the PPE- Not truly super safe but something always better than nothing haha. Always add NaOH beads or flakes to rodi and never the other way round. Add in some batches and stir, its giving a lot heat so has to be careful, also do in well ventilated place as fumes produced. Super high pH so need be extra careful. Some macro shots GSP- one of most underrated corals, reefers often fear it overrun the tank, simple way to overcome is to not mount on rocks, For me i mount on background and if growth is too much, it is easy to tear off and trimed, much easier to manage than pulsing xenia as it somehow can spread even though mount on isolated rock. Heng Ong Huat digi, also another underrated coral, looks good and tanky Orange chalice i tink, almost died due to rookie mistake and 1 yr later recession has stop and seems to be slowly recovering, before and after pics Another chalice coral, not cheap, but looks nice and like paddle pop ice cream, 1 yr of growth, before and after pics Another chalice, UFO i tink, Chalice is also another underrated coral, is colorful and quite tanky in my humble opinion. Some sps frags i got, hopefully can slowly grow into colonies. Thanks for reading! Wish all reefers a huat huat yr and Happy reefing! Sent from Singapore Reef Club mobile app