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JiaEn last won the day on June 3

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About JiaEn

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    Cleaner Shrimp

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  1. One important consideration is that environment in the aquarium is probably different from the wild. Therefore the growth form if the coral in the aquarium may not resemble the "classic" shape in the wild. Therefore, if I'm looking for a typical tabling ledge of say, hyacinthus, I will get a nicely shaped colony to at least have the "correct" look. If not, having corals grow into their own shape will give rise to less flow and light problems.
  2. Sea Fan Plus Sometimes, what we want and what the nature designed to be, are at odds. When I start to keep the sea fans, I intended for them to be a few unobstructive growth on the corner of the sand bed, kind of like a fringe growth. Alas it's not to be. Sea fans are non-photosynthetic. Therefore they require good low to filter feed from the water column. As such. They have the structure to catch the flow, just like a paddle or sail. This is fantastic, except that the tiny rock they are glued on cannot stay in place. The sea fan always topples, bends and generally requir
  3. Hey. A few suggestions. 1. Ensure the rock work is stable and well joined together. 2. If the liverock is of good quality and relatively pest free, it can help your tank to mature faster. How confident are you regarding LR from hobbyist whom you don't know? 3. IMO, less rock, more coral. Provide caves and swim thru for your fishes, shelters for corals prefer less flow, as we as a mixture of varied light and flow conditions to suit different animals. 4. Composition wise, rule of third, negative space, depth, all these are ways to help the whole aquarium look bal
  4. I wouldnt use the word imbalance. It's just a matter of what you adds in and what the coral is using. What are your existing values anyways? And what is the level you are aiming for? When we use a dosing product, actually our main purpose is to maintain the level. When it comes to balanced dosing product like all for reef, you can't really adjust one up, while leave the rest unchanged.
  5. If your coral does not grow much, and you dose too much of any supplements, you will run into Kh Ca and Mg problems. All for reef is an easy to use product. Once you dial in your dosing, you can keep Kh within a very narrow range. The product is not the issue, the amount added is.
  6. This is possible, especially with a regular refractometer designed for brine solution and sugar solutions. However for a properly made and calibrated refractometer for seawater application, it is spot on if you use it properly. Yes, but also, these will only be present in our reef water at very low concentrations. So it's not that much of a problem. This is actually fairly tricky, because microbubbles or another other inclusion in the liquid between probe junctions are going to mess up the conductivity reading. Also, the probe need to have temperature compensatio
  7. Pen style conductivity probes can be inaccurate and inconsistent. I would say get a good optical refractometer is a good choice.
  8. Let me chime in. There are some similar effects on sterilization, but ozone also have the ability to alter the water chemistry by oxidizing various compounds in the aquarium. For example it can breakdown some organics which can cause the water to appear yellow. Also the safety precaution between ozone and UV are rather different. Like what rob has described. It's important to have scrub off excess ozone before they escape into your room.
  9. I'm slightly obsessed with sea fans recently. Their polyps can be really pretty and colorful. On a separate note, the sps did grow quite a bit. Although I don't keep kh at elevated level, the growth is still satisfactory. Looking at the aquarium everyday, I don't feel much of it. However, comparison to past photos is very telling. May 2021 vs Sept 2020
  10. I agree with @ROB that sump driven circulation for the DT can be challenging to implement. The system flow will be capped by your overflow capacity, as well as the clarisea capacity. But I do see that you are going to use wm to supplement the dt flow. So that would definitely help. I love your idea of reversed undergraval filtration. I think in a long run, it would probably massively reduce your maintenance work. How about running the return pipes from the top, and implement a bleed hole at water line? IMO this is much more reliable compared to one way valve.
  11. Test the Un-testable One core challenge of reefing is to simultaneously provide (inorganic) nutrient poor water, while provide ample nutrition for reef animals. Nutrition poor water, that's easier to test and manage. With competent range of test kits available, we can have a good grasp of the (inorganic) nutrient level in the aquarium. Should the level deviate from our preference, there are many ways to correct the problem. Nutrition, however, is a much greater mystery. Other than when we add food into the aquarium, we know precious little about amount of available food in
  12. Ah ok. If you put your siphon and secondary pipe (these two need elbow) on two ends, emergency drain in the centre. Probably enough space.
  13. Absolutely! A very lovely piece
  14. Do take note, bean animal style overflow can take up quite a lot of space.
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