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32530 Dequindre Rd.
Warren, MI 48092
Order: 586-978-1840

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Sump Filter Auto Top Off Systems

(Custom Freshwater Reservoir Included)




Sump Filter Custom Freshwater Auto Top Off System

Great Lakes Aquariums offers an exclusive add Auto Top Off System for all of our standard sump filter systems including DIY Refugiums Sump Filters, Refugium Sump Filter, Multi Sump Filter System and Wet-Dry Sump Filter System. Our Freshwater Auto Top Off System includes everything necessary to add freshwater for refilling your sump filter automatically. Listed to the right are all the features included in this complete top of system. Listed below are the 2 systems available.

What is a Auto Top Off System & why do you need one?

Sump Filters with either built in overflows or hang on overflows have only one minor disadvantage compared to standard filters. Overflows allow water to drain out of the main aquarium into a sump filter down below. Because of the way they are designed the water level in the main aquarium never changes or lowers due to water changes or natural evaporation. All aquarium water over time will evaporate and because of the overflows constant main aquarium water level, water evaporation lowers the water level of the sump filter and you will need to add freshwater to top off the sump filter or it will lower to the point of allowing the pump to suck air or in a worst case scenario run dry and quit. Auto Top Off Systems add freshwater regularly and eliminate the need to add freshwater on a regular basis. This is accomplished by filling a large reservoir with freshwater and using a pump and sensor which automatically fills the sump when it needs it. The major advantage of an auto top of system is the elimination of adding freshwater on a every few day basis and being able to leave your aquarium for vacations and not worrying about pump failures. For Saltwater, auto top off keeps a constant salinity and is a necessity for open top reef aquariums due to large evaporation issues.
Exclusive Features Advantages
  • Double Seams using Strong RTV Silicone Sealant
  • All of Our Large Aquariums (50 Gal. +) Include Solid Tempered Glass Bottom Construction for Super Bonding and Strength
  • One-Piece Styled Plastic Framing with cross bracing offer complete top access and small low priced glass covers
  • Options include Starfire Glass, Hole Drilling, Overflow Boxes, Black Silicone and much more

Item # Auto Top Description Included Items Price
AUTO1 Standard Auto Top Off System  Freshwater Reservoir, Pump (up to 20 Gallons), Hoses & Sensor Module $169.95
AUTO2 Large Auto Top Off System Large Freshwater Reservoir (up to 40 Gallons), Pump, Hoses & Sensor Module $199.95


Ordering, Shipping & Pick-Up Information

Ordering Info – All Orders should be placed by Phone or Email. Product stock status is listed near the end of the product price tables. Generally Stocked products in most cases do not require a deposit. Any Generally Stocked products with additional options (hole drilling, black silicone, Ultra-Clear Glass etc.) are special order and a 50% non-refundable deposit is required. Special Order products require a 50% non-refundable deposit. Special Order products may require a 1 to 4 week production time. When you contact us we can give you all the important information necessary.

Shipping Info –
Glass Product (Glass Aquariums, Sump Filters, Turtle Aquariums, Reptile Aquariums, Wood Stands & Canopy's are truck shipped only and the minimum charges are $300.00 or more. Shipping Costs include professional packing and crating, Insurance, truck delivery to your home or office, lift-gate unloading and handling to your garage or business. Shipping does not include crate placement inside house or business, product unpacking or crate removal. Contact us by email for products that you want to order along with city, state and zip code. Keep in mind the shipping minimum listed above and the value of products you wish to purchase. We strive to offer a accurate shipping estimate, however, location and other factors may change our shipping estimate.

Pick-Up Info –
All of our products can be picked up at our manufacturing plant located in Warren, Michigan 48092. We also offer a factory outlet store at this location that sells a complete line of low price, high quality accessories and Live Saltwater Fish. Calling ahead before picking up is mandatory. We will help load our products and can supply packing materials as well as recommend the size and type of vehicle you will need.
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