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R0B

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R0B last won the day on April 7

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  1. Return pumps: For the return pump just make sure that you get one with enough head pressure to not only pump sufficiently through to your chiller, but also up to the tank, and to service any manifold (from which you can plumb a reactor to it) I would suggest an ecotech S2. If cost is an issue then get a smaller pump like nyos viper 3.0. Your light will do nicely. Just raise it up higher off the waters surface (12 inches or more). Your light will give you a more blanket light effect which will avoid shadows.. so is actually beneficial. However, such a large light may (will) produce some 'l
  2. This is a really interesting result, as in the wild coral reefs record some of the highest levels of DO (upto 200% 15+ ml) because of a combination of photosynthesis and increased aeration from eddies and breaking waves. What you are suggesting is that aeration via a skimmer actually lowers the DO. Whilst I have observed between fluctuations between 100% and 150% on my own tank I have never seen a case where a skimmer reduces DO. But what I love about this hobby is the opportunity to learn something new. Will PM you... Sent from Singapore Reef Club mobile app
  3. No worries. I just pm'd you. Sent from Singapore Reef Club mobile app
  4. As long as your tank doesn't have tempered glass then yep drilling is best way. If you are stuck, happy to help you. I can come drill your tank for you. I have drilled a few tanks before. It isn't as scary as you may think. Sent from Singapore Reef Club mobile app
  5. Most overflows can easily handle a small tank. My concern if any would be with a HOB you carry the greatest risk of major catastrophic failure. If for any reason the siphon breaks then you will end up with an overflow (as the sump continues to pump all the water into the tank). Further any auxiliary items like chiller will also shut down / damage due to lack of water. Thus, this maybe something you would want to reconsider... Sent from Singapore Reef Club mobile app
  6. Overflows act as barrier reducing risk of pipe blockage and (assuming is an external overflow) typically allow for easier access to plumbing. Disadvantages (few)... added cost, tank needs drilling. Regarding size.... well that depends on two factors. One is the amount of water needed. So a 20g would need just 450L/Hr of flow for 5x turnover. Which could be handled by as little as 12mm pipe (Although best to size up to 16mm). The second factor is the type of overflow you plan to use; Durso, Herbie or Bean Animal? Bean Animal is possibly the most popular as it is regarded the safest and th
  7. This could be a 'white sponge'. (As I cant see any 'spiderwebs' on your photos but rather a blanket of grey white), hopefully other reefers can confirm this. Most sponges are harmless, but need to be kept in check. To treat use hydrogen peroxide or hot water. I don't recommend you try and remove manually by brushing or scraping as it will spread. Problem with sponges is if you treat they can rot in the tank so suck out the water and flesh around the area you are treating. Also be prepared and have plenty of salt water available to replace displaced water and for subsequent water changes.
  8. My system is over 500L. My experience is that Co2 scrubbers certainly have their place (and I am currently designing and experimenting with a completely different scrubbing approach... sushhhh is secret hahaha). My tank's ph is currently around 8.2-8.3 so is marginally less then the peak obtained when I had a scrubber. However, if I implemented a scrubber now after implementing other methods the impact would be less (although the media would last much longer). So the order you implement various solutions also impacts their individual benefit. Good luck Sent from Singapore Reef Club
  9. I used about 1.5 to 2L of soda lime and it lasted around 3 weeks. In my opinion it ate media hahaha (even if I used damp air technique). In all honesty I moved off traditional scrubbing media sometime back as was too costly (for me). I found running a simple airline hose through a carbon filter from outside and into my skimmer worked well. I further added an additional skimmer for the sole purpose of increasing surface area and thus gas exchange (bubbles produce loads of surface area) worked well enough and it meant I wasn't reliant on obtaining the costly media. Note. The second skimmer is
  10. You say you have been running a lot of phosphate remover, then this would make me think that your phosphate level was much higher recently. Phospate remover strips out not just phosphate but other elements too. So maybe you stripped out too much and that impacted the corals. Corals dont like change. If not it could be bacterial, did they produce any brown jelly? (Although I doubt it is bacterial) I suggest a couple of water changes. As for the coral you can give it an iodine dip. You could also place in different tank area just incase it is a lighting or flow related but I doubt that
  11. Yes they can help... but there are a few things to consider. So first off coral growth is linked to ph. Higher ph has been proven to improve coral growth. Relating to a co2 scrubber my experience is that it's effectiveness is subject to whether you have a ph problem in the first place, and if so, what that problem exactly is. Running a calcium reactor may reduce your ph. Low alkalinity can also lead to low ph. Carbon dosing the like of vinegar also can be another reason of reduced ph. So the effectiveness of any co2 scrubber and thus the impact on coral growth could ultimately be limited by
  12. There are several things you can do... Brightwell alternatives are Sodium nitrate based. (Can also use potassium nitrate then blend with sodium to make exactly same product as brightwell). As for plain simple sodium nitrate Check out if Laudwolf sodium nitrate 99.6% (food grade) is available in Singapore. I saw it for sale sometime back but haven't seen, or been looking, lately. If find search up "James planted tank dosing calculator" to help calculate mix. From that approximately 44g of sodium nitrate in 1L of water would raise 7.5ppm for each 1ml of dose used. So you don't need much.
  13. If you can place some of the new rocks into your current sump. That way they will start the process of gaining bacteria, reducing impact of any move. Sent from Singapore Reef Club mobile app
  14. I found my roller filter was pulling too much, so I like your set up as is good idea to split the returns. Sent from Singapore Reef Club mobile app
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