Free Shipping On Orders $49+

Split-Pay & Financing Available

Osmolator 3 Auto Top Off

SKU: 4025167412004
$229.99

Shipping & Returns

Free Shipping On Orders Over $49
All orders over $49.00 ship free using a combination of USPS, FedEx and UPS. All in stock items will ship out within 24-48 hours Monday-Friday. Drop ship items such as large aquariums, large sumps and full aquarium systems can take 1-2 weeks to arrive depending on availability. This shipping offer is only available in the 48 contiguous US. Not valid on wholesale orders.

$7.99 Flat Rate Shipping On Orders Under $49
If your order is under $49.00 shipping is only $7.99 using a combination of USPS, FedEx & UPS. All in stock items will ship out within 24-48 hours Monday-Friday. This shipping offer is only available in the 48 contiguous US. Not valid on wholesale orders.

Drop Shipping
There are a few items that are drop shipped directly from the manufacturer. Any item that drop ships will be marked on the product page. Large items like aquariums, stands, and lights may take anywhere from 1-3 weeks for final delivery.

Returns
We're happy to accept returns of new products in their original packaging within 60 days of original purchase for a full refund. Just give us a call or send us an email, you must receive an RMA number before shipping back your products. Returns received without an RMA number will be refused and sent back.

Returned items must be sent back to us in new and unused condition in the original packaging along with all accessories, warranty cards, manuals, software, cables, etc.

Special order items are non returnable and are marked on the items page.

Returns For Unused Open Box Products
Hold on to your packaging! If you purchased a product in the last 30 days that's opened but unused, has never seen saltwater and still has all of its original packaging (warranty cards, manuals, accessories, etc.) we can accept your return and offer a refund to your original form of payment minus a small 10% restocking fee.

  • Products must be returned in the original packaging. Products returned with broken manufacturer seals, damaged or altered packaging, missing packing material, warranty cards, manuals and/or accessories will be treated as an unused but open item.
  • Items purchased as new but have been opened and received more than 30 days after the original purchase will be returned to you free of charge.
  • Items that show any sign of exposure to water or use, returned with damaged or altered packaging or missing packing material including warranty cards, manuals and accessories are not eligible for return and will be returned to you free of charge.
  • All items sold under clearance, blowout, or liquidation are final and not eligible for return.

Manufacturer Defects & Warranties
Sometimes items just don't work out of the box, contact us and we'll work with you to make it right!

If your product arrives non-functional due to manufacturer defects, it may be exchanged for the same product within 30 days at no cost to you!

Purchased more than 30 days ago, but need warranty support? We'll ensure your issue is handled fast and efficiently by acting as the first point of contact. We'll introduce you to the best contact at the manufacturer, and make sure the manufacturer knows of the issue you're encountering!

Please Note:

  • Shipping & Delivery fees are non-refundable.
  • Gift Cards are non-refundable.
  • Return shipping may be deducted from your refund.
  • Please retain all product packaging and tags until you are completely satisfied with your purchase.
  • Please open all packages and inspect all items for damage immediately upon arrival. Damages must be reported within 3 days of the reported delivery.

The Tunze Osmolator 3 is an advanced automatic top-off (ATO) system designed to maintain stable water levels in aquariums by replenishing evaporated water. Known for its precision and reliability, it utilizes an optical sensor for accurate water level detection and a backup float switch for added safety. The system includes a high-quality metering pump and an integrated controller that prevents overfilling. The Osmolator 3 helps maintain consistent salinity in marine tanks, reducing stress on aquatic life. With easy installation and a compact design, it is a popular choice among aquarium hobbyists seeking a dependable ATO solution.


  • Maintains a Stable Salinity Level
  • Plug & Play Convenience
  • Compact All-In-One Design
  • Built-In Safety Features


Advanced Optical Sensor

The large, precise optical sensor detects the water level with an accuracy of 0.5 mm, resists air bubbles, deposits and scratches. The independent thermal safety sensor stops the Turbelle® High Jet 5030 pump in the event of overfilling, ensuring 100% overflow protection.


Plug & Play

All required components are ready for installation in the package (except reservoir). No software setup required. The fixed parameters are based on many years of experience.


5 Year Warranty

"Built to last" according to our highest standards. Our exclusive service is automatically included. Without registration and without hidden hurdles. And of course always accommodating instead of petty-minded.


Specifications

Max. Glass Thickness (Sensor): 15mm (0.59")

Max. Glass Thickness (Tube Holder): 22mm (0.87")

Max. Delivery Height: 6.2m (20.34')

Tubing Diameter: 6mm OD | 3.9mm ID

Tubing Length: 3m (9.84')


What's Included?

1x Osmolator 3 Sensor

1x Magnet Holder

1x Turbelle High Jet Pump

1x 12V DC Power Supply

1x Tube and Tube Holder