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Tank has been doing really well the past month. So far 9 months already without water changes. Water is still crystal clear without any tint of yellow or green. Topping up trace elements with Tropic Marin's A and K elements together with balling method. Here are some pictures of the corals flourishing. I don't really spot feed my corals, except I do throw in coral frenzy once a week for the corals to have a treat, the rest is just nature taking its own course [emoji1308]

Have a big pcs to let go at $50 About 40cm x 25cm.. I will remove as much as I can from the back of the wall.. Collection ASAP before Friday. Fcfs Sent from my iPhone using Tapatalk

loving the SPS!! Sent from my SM-F700F using Tapatalk

So far it works for me. I would say the nutrient level in the aquarium is good and sustainable. A bag of zeolite will not work nearly as well, because it's the periodic shaking and tumbling which cause the bacteria flocks to be released into the water . It will. but of course, there is a limit as to how much imbalance it can correct. One good thing about ats is that, you don't have to pick out the "correct" algae. The natural competition will take care of it for you.

On the issue of competition. What I feel is that microalgae is extremely effective at using up nutrients in the water. Not just the trace elements. Nitrates and phosphates will also be consumed rapidly. They will also take up some organic compounds form the water coloumn. All these are fine, but when they do it too well, there will be less nutrient available for the corals. For me, I'm of the opinion that it's not ideal to feed corals (a lot), only for the food to be taken and grown into microalgae. This is what I mean when I say there is quite a lot of waste. ATS, just like other mode of export, can be maintained and tuned. There are two ways which we can adjust the export level: 1. By limiting the amount of micro algae in the ats: less microalgae will have less ability to export nutrients. Conversely, if we keep the ats relatively full, then the overall export will be higher 2. By limiting the photoperiod. Algae requires light to grow, and they take up nutrients as they grow. If the photoperiod is short, the grow is slow, thus the export is slow.

How will you connect your chiller bro? Sent from Singapore Reef Club mobile app

new tank and plumbing looks good! Sent from my SM-F700F using Tapatalk

Please keep updating. Really love reading and learning from your thread!