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  1. Last week
  2. Chaeto Reactors compared to Algae Scrubbers

    Chaeto Reactors compared to Algae Scrubbers, part 2 By Santa Monica Filtration Now for some basic differences; more detailed differences will be in subsequent posts. The first and maybe most important difference is that chaeto reactors grow only in saltwater (fish only, or fish with live rock, or reef) whereas algae scrubbers grow (filter) in both saltwater and freshwater. Growing = filtering. But even if you are exclusively freshwater, understanding the differences between reactors and scrubbers enables you to optimize a system for your tank. There have not been any experiments of chaeto in brackish water however. A second difference is size; a chaeto reactor needs to be much larger than an algae scrubber. Many saltwater tanks have large sumps, and even dedicated fish rooms, so this may not be an issue. Through experiential results of individual aquarists running chaeto reactors over the last few years, and through many thousands of aquarists running algae scrubbers over the last ten years, it has been observed that a chaeto reactor needs to be 4 to 8 times the physical size of an algae scrubber to provide the same rate of filtering capacity (rate of nutrient removal). A third difference is seeding; a chaeto reactor needs to be seeded with a small amount of chaeto, either from another aquarium, reactor, or from your last harvest (i.e., you don’t harvest all of it), whereas an algae scrubber will self-seed from invisible algal cells in the water. When self-seeding, algae scrubbers usually start out with a slime type of growth, and this sometimes progresses on to a green hair algae growth, depending on the nutrients in the water. A fourth difference is in how you clean (harvest). For a chaeto reactor, you disassemble the reactor usually by unscrewing several screws on the top of the container, and then by pulling out a tube or frame from the container; the chaeto growth is then removed from the frame and the frame is replaced back into the container, and the lid and screws are put back into place. Since chaeto does not attach to a surface, you often get broken chaeto pieces that flow into your tank or sump when you harvest; a filter screen in the reactor can reduce this. For an algae scrubber, cleaning (harvesting) varies on what design it is; freshwater versions will usually be taken to a sink for the cleaning because of the thin and slimy growth (saltwater versions can also be cleaned in a sink, but are sometimes harvested in-place). A horizontal river design will have a light that you lift up off of the container, and a screen that you remove from the container. A waterfall design will have a screen that you remove from a pipe; sometimes the whole pipe is removed, and sometimes the pipe is in a container that you need to open first. A bubble upflow design has at least part of the container under water, which you lift out of the water. And for all algae scrubbers, since the growth is attached to a surface, broken floating algae pieces are not common when you harvest on a proper schedule. Bubble upflow scrubbers almost never detach because the growth is supported by the water. A fifth difference is fish feeding; by feeding your fish from the growth, the fish eat naturally and you don’t have to buy and add food to the water (which creates nutrients). Very few if any aquarium animals eat chaeto, so the only option is to remove the chaeto and either throw it away or give it to a friend. For algae scrubbers, it depends on the growth: Slime (although full of absorbed nutrients from the water) is usually not eaten by aquarium fish and thus is scraped off and thrown away or used as garden fertilizer. Green hair algae however is eaten by almost all herbivore fish and many snails (it’s their nature food), and thus some of the growth can be fed back to the fish, especially in freshwater where algae scrubbers almost always grow this type of growth. A sixth difference is overgrowth of algae on the lights. Chaeto reactors usually have a large surface area light (such as a long coiled light strip), and the illumination from these is not enough to “burn” off algae growth on the surface of the clear wall (this growth reduces illumination output). So you will need to clean these glass surfaces in order to keep the illumination at full output. Most algae scrubbers however use discrete (separate) high power LEDs which produce enough illumination in a small space to burn off algal growth on glass surfaces; for these you do not need to wipe the growth off because it does not grow there. A last difference is overgrowth of algae on the algae itself. Chaeto is a slow growing species of algae because of it’s thick cellular structure, and if conditions favor faster growing algae you will get green hair algae which attaches on top of the chaeto, causing the chaeto to be blocked from light and flow, and eventually causing the chaeto to die and rot. There is no easy way to wipe green hair algae from chaeto; the chaeto must just be harvested earlier instead. For algae scrubbers, green hair algal growth on top of more green hair growth is how scrubbers operate in the first place, so earlier harvesting is not needed.
  3. Stock Update From Santa Monica Filtration®

    Stock update from Santa Monica Filtration 2 - RAIN2 with 4 lights 0 - RAIN2 with 2 lights 1 - RAIN2 with 1 light 0 - SURF8 (four week ship time) 0 - SURF8x (four week ship time) 5 - SURF4 2 - SURF4x 6 - SURF2 5 - SURF2x 0 - SURF2xx 5 - HOG3 3 - HOG3x 2 - HOG3xx 5 - HOG2 1 - HOG1.3 16 - HOG1 13 - HOG1x 19 - HOG.5 5 - DROP1.4 0 - DROP1.4x (two week ship time) 6 - DROP1.2 9 - DROP1.2x 5 - DROP.6 4 - DROP.6x 0 - DROP.2 (temporarily unavailable) 14 - Fusion 700 air pumps 1 - GEM5 set of four grow lights - black 1 - GEM5 set of four grow lights - white 7 - 4x6 Green Grabber Screen (1 mm thick) 2 -- 4x6 Green Grabber Screen (2 mm thick) 12 - 5x7 Green Grabber Screen (1 mm thick) 3 -- 5x7 Green Grabber Screen (2 mm thick) 3 -- 7x7 Green Grabber Screen (1 mm thick) 2 -- 7x7 Green Grabber Screen (2 mm thick) Purchase at: www.Santa-Monica.cc Selection chart: http://algaescrubber.net/WhichOne.jpg
  4. Hello from me to you

    Ok, thanks, may look. Into that, but I'd be surprised if that was the case. I use good quality fermentation buckets for my water.
  5. Hello from me to you

    Ah cool - would still be worth testing it with a pen though if you can. I found that the container I was keeping my water in was leaching silicates. Wouldn’t have found out if I didn’t get a pen to test it [emoji1303] Sent from my iPhone using Tapatalk
  6. Hello from me to you

    Right, to last 2 posts, thanks. Had an orange spot goby in for 3 weeks, as said never stops and really seems to have helped. New ro membrane 2 months ago with di resin chamber after ro membrane so pretty sure silicates aren't getting through. No3 10, po4 0.03
  7. Hello from me to you

    Welcome to Reef Face Damo! What’s your NO3 and PO4 reading? I went through a period of this and once I started dosing Nitrate to maintain 5-10 constant it went away (my SPS coloured up amazingly too!). Before that I had an issue with my RO water - have you checked your RO water? It could be due to silicates in your RO water, so water changes will make it even worse. [emoji1303] Sent from my iPhone using Tapatalk
  8. Hello from me to you

    Also when I had it the last time I bought a blue cheek goby and he cleaned the sand so good the cyano never came back. He was a top little worker Sent from my SM-G955F using Tapatalk
  9. Hello from me to you

    thanks Kamran, I'm sure I will 😊
  10. Earlier
  11. Hello from me to you

    Welcome to the forum! I hope you like your stay! -Kamran
  12. DIY Macro algae reactor

    Thanks I'll still be about but something had to give sadly due to time. As it is in at work all day and then strait from work and working on the car till around 10pm and weekends spent on it. Once racing Saturdays normally a prep day and Sundays racing so time is limited. Sent from my SM-G935F using Tapatalk
  13. DIY Macro algae reactor

    Well I wish you well in your future endeavours buddy Sent from my SM-G955F using Tapatalk
  14. DIY Macro algae reactor

    Yeah with going back to oval racing something had to give and it would not be fair on the tank as it would end up neglected due to how much time is taken up racing ect Sent from my SM-G935F using Tapatalk
  15. DIY Macro algae reactor

    No way dude!! I didn't even know you was selling up Sent from my SM-G955F using Tapatalk
  16. DIY Macro algae reactor

    It's been working absolutly spot on with mega growth Sadly my tank is going tomorrow so I will not be able to offer anymore updates of it but from what I have seen it has worked excellent true value for money Sent from my SM-G935F using Tapatalk
  17. Please can every one give @Bio Aquatek a warm welcome to Reef Face Welcome Adam
  18. DIY Macro algae reactor

    How you getting on with this buddy? Sent from my SM-G955F using Tapatalk
  19. New Sponsor

    Welcome to reef face Osmotics [emoji106] Sent from my iPhone using Tapatalk
  20. New Sponsor

    Welcome to Reef-Face @Osmotics
  21. Reverse Osmosis Systems and Accessories

    Bought my first kit from you guys. I can testament to the quality as its still going strong!
  22. Hey Guys, Dave kindly asked us to pop over and take part in this forum, always a pleasure that. If you need anything from the world of Reverse Osmosis and general water filtration products, we should be your first stop! Setting the scene here, we've been around since 2005 continuously offering new and innovative products to the market. We've seen a lot of copies of our products reach the market but rest assured, you won't find a better quality product or service than by buying direct from us. No hard sells, no cheap and cheerful stuff that you have to buy again in 6 months either, our products stand the test of time and won't cost you an arm and a leg buying twice. If you have any questions or concerns, please feel free to contact us although we'd prefer if you did that via our website contact form at the following link as it's tied with our customer database and therefore we can keep all our records in one place. https://www.osmotics.co.uk/pages/Contact-Us.html
  23. New Sponsor

    Guys please welcome Osmotics to reef face @Osmotics
  24. Hello from me to you

    Not alot to report tbh. phosphate still low, cyano may be slowing down a little (I hope). Mr Dave, that green skimmate has returned back to it's week tea colour so not sure what's going on there. Thanks for the welcome tiger tank, hello to you 😊
  25. Chinese Houyi Lighting Led Units

    No idea I'm afraid. I would guess the hy-ao2 would work.
  26. Chinese Houyi Lighting Led Units

    Hi all, i know this is an old post but need some help with a houyi led unit i purchased with no power pack. The unit is 4foot long and has 48 3w leds. It looks identical to the hy-a02 but doesnt have any vents for fans on the top. I know it needs a 36v power supply that connects to the top of the unit by a screw connector. Can anyone point me in the right direction to get a power supply or would it be possible to just use any 36v 3a led driver.
  27. We have had fantastic feedback on the whole Gamma Nutra range, also use it in my home tank with great feeding response they go crazy for it. Thanks Ant
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