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SSC frag $30 See photo for reference Colony Self collect at West Coast Gardens. Sent from Singapore Reef Club mobile app

Selling as change of plan and decided to get another skimmer NYOS 160 $450 NYOS 120 $550 All cleaned up and ready for collection. Self collect at CCK.

Hi guys, Selling a tiny frag of radioactive poccillopora for $10. Pls take note picture was from LFS auction. Collection at CCK 683805. WA me at 96nineone03oneeight if keen. Thx!

Alkalinity : More Than Meets the Eye Ask any reefer worth his salt, he will tell you keeping a stable alkalinity in the reef aquarium is of paramount importance. Most reefers soon learn to test, and suppliement alkalinity reasonably well. However, how does alkalinity influence the activities in the reef? Many reefers will say it helps to build the coral skeleton. This is true, but there are much more important processes requiring alkalinity in the aquarium. What is Alkalinity Alkalinity is a system of buffers. A buffer helps a mixture to maintain its pH within a reasonable range. It's like a shield, so to speak. When an acid is added into the seawater, alkalinity (the shield) will wear down first, before pH starts to drop rapidly. Conversely, when an alkaline is added, alkalinity will increase first, until the capacity is exceeded. Then the pH will skyrocket rapidly. So first thing to remember, alkalinity protects against both downward and upward shift in pH. This is one of the most crucial function of alkalinity in reef. We can test the alkalinity by the process of titration. We add acid to the water sample until the alkalinity is depleted, and the pH dropped sharply. That's the buffering capacity of the water. Source of Alkalinity in the Reef The alkalinity in the reef comes from two different buffer systems: bicarbonate /carbonate buffer and borate buffer. We shall look at these briefly so that we can have a good picture of what's in our sea water. Firstly, let's talk about borate buffer. Element Boron exists in seawater, but in small quantities (5ppm or so). Therefore the capacity of the borate buffer in a reef aquarium can be as high as 20% of the total buffer capacity. Boron is used by reef animals, but the consumption is rather low. Therefore it's not critical to test boron (no harm though). What we should keep in mind is, the titration reports total alkalinity. This means that the titration tests (salifert, alkatronic, etc) does not report the carbonate hardness (dispite many product says so). Then, the bicarbonate buffer. Bicarbonate ions are much more abundant (about 150 ppm) in seawater. As such, they are doing most of thr heavy-lifting for the buffer in the sea. The interaction of bicarbonate with the rest of the reef is complex and interesting. I'll spend the next post to discuss it.

Thanks! Pause from my equipment updates and a post on a current “photoshoot” of my display and man cave! Sent from my iPhone using Tapatalk

Quick update Lost 4 of the banggai fries due to rookie mistake, was doing a transfer of the isolation box to do cleaning and i left them out of water for too long, was only about 10-20s, when put them back in water some fries immediately belly up and cant balance. GG after awhile, feed the dead fish to anemone, circle of life and nothing is wasted. Lesson learn as baby fries are too sensitive to leave out of water..rest of fries doing ok and grown bigger, now feeding to TDO readily, hope can continue. Wild Adult banggai ignore prepared food so really must train from young [emoji23] Going back to TLF Acropower to steady daily dose, can feel the colors better and corals more vibrant. Thanks for reading. Happy reefing! Sent from Singapore Reef Club mobile app

Beautiful reef journey Sent from Singapore Reef Club mobile app

Nice tank bro! Sent from Singapore Reef Club mobile app

Hi bro, I would suggest you remove all hitch-hikers to ensure that you do not have 'questionable' livestocks that will plague your tank upon setting up as that would mean tearing down you entire tank. Crabs - most hitch-hikers crabs will cause some form trouble to benthic invertebrates in your efforts create a low nutrients environment suitable to reef tank. Flowers - if you positively ID them to be Aiptasia or Majano Anemones, removed them immediately! Pest anemones are hard to remove in a established system due to the fact that they will hide among hard to reach places that will leave the reefer with no choice but to tear down the entire tank. Thus do check your LRs properly to ensure that there are no potential pest to ensure you will have an easier life as you go along. HTH