An aquarium is much like a computer; every set up will operate differently depending on the software installed. For an aquarium some factors could be, aquarium size, inhabitants, flow effects, added peripheral equipment, future expansion etc. For this reason it is difficult to include a standard “cover-all” water pump with a filter package.
Any weight of the water in the return line above the pump creates a back pressure which diminishes the flow rate dramatically. In other words, the higher the return line, the lower the pumps output. This is referred to as “Head Pressure”.
All bends in the return line increase the head pressure, so be mindful of this when using fittings such as unions, valves, elbows, etc.
Measure the distance from where your water pump will be to the top of the aquarium. Then rate the pumps performance at that head pressure. Always use a water pump rated higher than what is calculated for the appropriate head pressure.
The standard "Rule of Thumb" practice is to use a magnetic drive water pump to circulate the water capacity in the aquarium, a minimum of 3-1/2 times per hour at the total height of the "Water Return Line" flowing back into the aquarium.
Use a control valve on the output of the pump regulating the flow rate to only what you require. Never restrict water flowing INTO the pump; this could potentially damage the pump.
All plumbing/fittings between the sump and the water pump, should meet or exceed the inside diameter of the intake on the water pump.
Amphibious Water Pumps can function as both External and submersible. This means that they can function both outside the water and under the water. There are pros and cons to both External and Submersible, here we will focus on the External dynamic of this specific line of pumps:
External: Pros - magnetic drive head will not transfer heat into the water, cleaner easier plumbing, larger pumps may be utilized, easy accessibility. Cons- Louder than most submersible models, Vibrates, Generates minimal room heat where installed.
• Reusable Debris Pre-Filter
• Operates Submerged or In-Line
• 10’ Grounded Power Cord
• Energy Efficient
• Models 2, 3, 5 and 7 - 1/2” FPT Inlet, MPT Outlet
• 5 Year Limited Warranty
• Reusable Debris Pre-Filter
• Operates Submerged or In-Line
• 10’ Grounded Power Cord
• Energy Efficient
• Models 9.5, 12 and 18 - 3/4” FPT Inlet, MPT Outlet
• 5 Year Limited Warranty
• Reusable Debris Pre-Filter
• Operates Submerged or In-Line
• 10’ Grounded Power Cord
• Energy Efficient
• Model 24 and 36 - 1” FPT Inlet, MPT Outlet
• 5 Year Limited Warranty
Submersible pumps must be under water to function properly. The flow chart for all of these models is posted below
Submersible: pros- compact, easy to set up, quiet. Cons- takes up valuable sump space, heat generated can raise water temp in aquarium.
Proper planning could save you $$ in the future. If you buy a larger pump now than you need to power only the filter, you are able to use a manifold to operate multiple accessories in the sump. Example; using a manifold allows you to buy a more effective protein skimmer that will hook up to the manifold and saves you the cost of buying a skimmer with a dedicated pump. This not only saves you on the purchase price of the skimmer, but also saves operational electricity cost by using one less water pump. Unless custom ordered, All Aqua-link compact and standard line filter systems are sold to accommodate submersible water pumps. All filters can be factory pre-dilled for external water pumps for an additional up charge if requested during purchase.
Protein skimmers are built to regulate ammonia spikes cause by unexpected changes in your water.
Refugiums provide a chamber to allow the growth of plant life which feed off of the nitrates produced by the wet dry filter.
Chemical Canisters are used to treat water with continued exposure to certain elements and minerals.
Dosing systems use sensors to read the contents of your water and release incremental supplements into your water supply.
UV Sterilizers treat your water with contiunous exposure to UV rays that kill harmful germs.
Used to injuect cabon dioxide in order to promote photosynthesis in plants, which in turn produce oxygen to your tank
Wave makers are designed to create a current inside of the aquarium tank itself.
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