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  1. It is always about availability rather than residual levels. In the ocean nutrient availability levels are high - even if residual levels show low. Also depending on currents sometimes residual levels also can become high. Also, regarding sps needing low nutrients may not be very true. There are studies/ ancedotal evidence that shows sps growth is higher in higher phospate levels. What sps dont like is instability. So if you go from high phospates for some time to low phospates then that negatively impacts them. Same thing from low to high but to a lesser extent. Interesting discussion thou
  2. You are right fish based proteins are better but more expensive. Plant/animal based proteins are usually deficient but cheaper thus being used. It also depends on what amino acids are available in the proteins. Some like methionine are supposedly more useful than others. Also whats interesting is how proteins are used for growth. When carbs/lipids sufficiently provide energy, then proteins are used for growth. When lipids do not provide for the energy requirements, then proteins are actually used for energy thereby stunting growth. A balance is important. Some studies on Aminos https://www.r
  3. Bro, good write-up but needs clarifying. You are right about binders not adding too much nutritional value , but not about adding nutrients to the water. Binders used in pellets are carbohydrates ( starch, sugar etc). Some of it can be metabolized by fish for energy. But you dont end up with nitrates and phopates due to thhesr binders. Nitrates from food usually comes from the protein content. About 65-70 percent of the protein in the food gets passed through the gills as Ammonia ( more than 50 percent) and in poop ( about 10 percent). This ammonia then breaks down into nitrates. Choose t
  4. Bump Sent from Singapore Reef Club mobile app
  5. Looking for a decent condition calcium reactor preferably dual chamber. Please PM if you are selling. Thanks Sent from Singapore Reef Club mobile app
  6. At this point you are speculating that your tank needs any alk addition. You need to measure alk levels from a baseline to check actual usage. Then you can decide if u need to dose. And its usually better to keep your alk close to what your new salt mix is at - which is why I was saying to test your mix. Any level between 7 and 9 is just as good. I would get an ATO asap. Stability is key - not whether you are at 1.025 or 1.021. Sent from Singapore Reef Club mobile app
  7. Okay start by checking the alk levels on the fresh mix. Your salinity must be low which is why the Alk is low. You can bring up Alk just by mixing it to 1.025 or 1.026. Sent from Singapore Reef Club mobile app
  8. How frequently do you do water changes? If you are using red sea blue bucket your Alk should be much higher with only water changes given your stock levels. And what are you using to measure Alk? Sent from Singapore Reef Club mobile app
  9. Wts the Eheim Reeflex 500 UV sterilizer. Sgd 95. New bulb changed in Aug. Worked very well for Getting rid of Dinos in the tank. Available in pasir ris. Pls PM. Sent from Singapore Reef Club mobile app
  10. To me it looks like a normal foxface when stressed, i dont think theres any disease. Just let it destress and observe. Shudbe fine. Nori is good. Sent from Singapore Reef Club mobile app
  11. 1) have you kept foxfaces before? They change color of their skin and can sometimes have black splotches or spots that will turn back to yellow. 2) dont see any hiding place in qt - the fish is obviously stressed. A pvc pipe etc would be very useful. Sent from Singapore Reef Club mobile app
  12. If your tank is less than 1 year old then you should try and keep nitrates or phospates as low as possible. At less than one year your tank may not have the microbiome to compete against the nuisance algae. For more established tanks that is never a problem. Sent from Singapore Reef Club mobile app
  13. Have you calibrated your PH probe? Is this level during the day or night? Sent from Singapore Reef Club mobile app
  14. 8.4 sounds okay. Why do you want to reduce? If you really want to then Dont dose carbon. Just aerate the water more. Sent from Singapore Reef Club mobile app
  15. Anyone know which LFS is carrying? Sent from Singapore Reef Club mobile app
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