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  1. General Reef Discussion
    Hey Y'all! So I finished my DIY ATO system before the weekend, took some tweaking to get it setup, but I got it working great. It cycles on and off fairly often (I only used one float switch), so I will eventually move the return for the ATO to my overflow box, so that it won't cycle as much...
  2. Marine Depot
    Save $20 today on what is widely considered to be the best auto top-off system money can buy! Tunze Osmolator Universal 3155 Regularly $199.99 Today Only $179.99 YOU SAVE $20 Auto Top-Off Systems: Which ATO is right for you?
  3. Water movement (pumps & wavemakers)
    Tunze Osmolator Nano and 2 Fishes Kalkwasser Reactor I have seen the the Nano Osmolator is rated for a maximum of 55 gallons. Would that apply to a 29 gallon sump for a 100g? I presume it's the size of the tank but wondered if because it's topping off a sum would it work?
  4. Water movement (pumps & wavemakers)
    Okay, it has been said by wise men / women here that one should place ther ATO sensor in the sump. Question is, which chamber...entrance or return? Thanks
  5. Reefing Equipment
    Anyone have trouble with this ATO unit not working? It seems to detect the water level fine based on the indicator lights but it never switches on power to my aqua lifter. It seemed to work fine the night I installed it, now I can't get it to work no matter what I do. I know the pump isn't...
  6. General Reef Discussion
    So. Does this look trustworthy? I drilled a hole in a piece of plexi at the height i want the water to stay in the sump. I attached the float valve and line coming from the RODI unit. Mine has an auto shut off sensor so when the clean water (output ) is closed it shuts the unit off completely...
  7. General Reef Discussion
    Well I did it. Bought me a Tunze 3155 tonight. Leaving town for 4 days and this time fish are in the tank unlike last time it was cycling. Hope it's the bees knees like everyone says. I really want to put it in the basement but have too high of a head for now. Will just use a 5-gallon bucket...
  8. General Reef Discussion
    So, as my tank continues to mature, I have a wish list of things that I still want to add to the tank. I've just recently started adding corals - mostly softies and one LPS. I've been reading about what it takes to be successful and I'm quickly learning the importance of testing and dosing...
  9. Reefing Equipment
    Hey All, I am thinking i should do an ATO (because i don't trust people to top off for me when i go somewhere). There are many out there, some DIY, some purchase. What is the Best (yeah, i know it will be opinion based) for a budget?
  10. Reefing Equipment
    I'm looking to get a 6 foot tank, found a few that are 100-150 gallons. My current 75 gallon loses quite a bit of water a day, but I can usually manage filling it up manually a few times a week. With a tank that large tho, I think it would be best to get an ATO. What is the best looking set up...
    ato
  11. Marine Depot
    Have you read our latest article, Aquarium Top-Off Systems: What is the Difference? It's a nice little buyer's guide if you're considering an auto top-off system for your tank. Here are a few related items on sale this week to tickle your fancy: JBJ ATO w/ FREE Acella Powerhead - $79.99...
  12. General Reef Discussion
    Hi Everyone, I want to get an ago for my nuvo 8. i have been going back and forth on a few. I know Tunze has a great track record, but I am unsure if the 3155 will fit in the back chamber, so I was looking at the nano (3152) but it ply have a since float switch. I was also looking at the Elos...
  13. Marine Depot
    Case of the Mondays? No worries, nothing a little retail therapy can't solve! Today Marine Depot has 137 items on sale plus an additional 4 coupon code offers. Here are a few of our favorites: JBJ ATO System w/ FREE Acella Powerhead - $79.99 Hydor Smart Level Control ATO System - $71.99...
  14. Marine Depot
    ATO Buyer's Guide Robert rounded up our most popular ATO systems to give you the lowdown on what they come with, what they don't and he provides his personal opinion on which units do the best job of keeping your reef safe and salty.
  15. General Reef Discussion
    Hey, so i finally got around to firing everything up today and the only thing that has let me down so far is the ATO. To narrow it down, the outlet from the ATO for the pump isn't powering the pump. Now i bought this off ebay from the US, it's a hydor ATO...
  16. Marine Depot
    FREE Powerhead w/ ATO Purchase Buy our best-selling auto top-off system of all-time and get a free pump! That’s right: for a limited-time if you purchase a JBJ ATO System we will include a FREE Acella Powerhead to automatically top-off your tank when water evaporates to help keep your water...
  17. Reefing Equipment
    I was curious if anyone uses this ATO on Biocube and if it would stick in the back of the chamber 3 where the water level marking is. Wasn't sure if it being plastic if the magnet would be strong enough to hold.
  18. General classifieds
    I am selling off some items I took off of a 220 gallon mixed reef that I just took down this weekend. Everything looks and works as is new. Prices in links are good as shipped if you are not local to Central Florida. The only thing I won't ship is the ATO reservoir. SOLD - Tunze Osmolator...
  19. General Reef Discussion
    Anyone use this ato and have any reviews on them. They are cheap but are they reliable. I have seen them on mr saltwater tank youtube channel. Also anyone use aquahub ato they too are cheap
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