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Finally let’s have a look at the specifications of the Ponics Pump 291,
• "Maximum Flow Rate" is meaningless because it is at ZERO head.
• "Maximum Head/Lift" is meaningless because the flow at that height is only a trickle.
You need an affordable quality pump with the desired flow at your required head and lowest wattage.
Step 1: Determining Desired Flow Rate
Most ponics systems flow through a single loop allowing a single pump. A flow rate near 100 GPH is sufficient for grow beds loop up to 120 feet. If you have multiple grow-bed loops, then 100 GPH is needed for each loop. Flood/drain beds needs 2 to 4 cycles per hour.
Step 2: Calculating System Head
Measure the vertical distance from the "top" of the water in the pump tank to the pump discharge pipe. A typical requirement is 100 GPH @ 3 feet.
Step 3: Pump Selection Considerations
• Continuous vs. intermittent pump duty cycle increases pump life, plus no need for a timer or level control.
• A rule of thumb is that an average pump will last 2-4 times the stated warranty period.
• Best to buy a backup.
Step 4: Is A Foam Filter Needed?
The objective of a filter is to keep objects/grit out of the pump.
• While great for ponds, a foam filter in "ponics" systems is a maintenance headache as good place for algae to grow.
• If you endeavor to have clear water... you will likely need a separate pre-filter, so a foam filter is redundant.
• Green water algaponics systems require a vortex pre-filter; a foam filter would only clog with desirable algae.
• Micro-algae will not hurt a pump unless it stops water flow. Read more customer reviews ...
- WATER-LUBRICATED HYDROGENATED NITRILE (HNBR) BEARINGS are used because they possess a very low coefficient of friction, have inherent vibration-dampening qualities and are non-polluting. Because of its durability, HNBR is used by the US Navy for propulsion shaft applications.
- 16 WATTS - 120VAC - 60Hz
- 3 OUTLET ADAPTORS : For 1/2", 5/8" and 3/4" tubing.
- SALT OR FRESH WATER READY!
- ADJUSTABLE INPUT FLOW RATE
- 5 FOOT QUALITY CORD: Many pump manufacturers use an inferior quality cord, our Electric Cord is the highest quality... waterproof, 18# gauge wire, molded three pin plug and wire is 100% copper. Heavy duty SJTW flexible vinyl jacketed cord with ground, resists oil, grease, moisture, abrasion resistant, very good flexibility at all temperatures.
- UL APPROVED: The file number is E329601.
- EASY CLEAN: No tools required to disassemble and clean filter/impeller.
- Ponics Pump 291, Salt/Fresh, Submersible, 5ft Cord, 16W
- FLOW RATES: 291 Gallons Per Hour (GPH) @ 0' Lift; 271 GPH @ 1' Lift; 251 GPH @ 2' Lift; 218 GPH @ 3' Lift; 172 GPH @ 4' Lift; 120 GPH @ 5' Lift; 26 GPH @ 6' Lift; Max Lift - 6' 3".
- EPOXY RESIN ENCASEMENT of key internal motor components prevents unwanted conductivity and corrosion of metal parts.
- SALT OR FRESH WATER READY: All components are designed to not corrode in either salt or fresh water.
- NEODYMIUM IRON BORON (NdFeB) MAGNETS are used in all our electric motors because they are the most powerful permanent magnetic materials commercially available and increase energy efficiency.
- OIL FREE, NO EXPOSED COPPER Safe for fish!
- POLISHED ALUMINUM OXIDE CERAMIC IMPELLER SHAFT insures long pump life. This non-corrodible ceramic shaft is 3 times as hard as stainless steel.
- NO SEAL TO FAIL between the pump impeller and the motor because ingeniously, the motor is water lubricated and cooled. Therefore, it is not possible for water from seal leakage to damage the pump motor.
- LIMITED WARRANTY: 1 Year
HOW TO CHOOSE A HYDROPONIC, AQUAPONIC, ALGAPONIC, AQUARIUM, POND OR FOUNTAIN PUMP
First remember:• "Maximum Flow Rate" is meaningless because it is at ZERO head.
• "Maximum Head/Lift" is meaningless because the flow at that height is only a trickle.
You need an affordable quality pump with the desired flow at your required head and lowest wattage.
Step 1: Determining Desired Flow Rate
Most ponics systems flow through a single loop allowing a single pump. A flow rate near 100 GPH is sufficient for grow beds loop up to 120 feet. If you have multiple grow-bed loops, then 100 GPH is needed for each loop. Flood/drain beds needs 2 to 4 cycles per hour.
Step 2: Calculating System Head
Measure the vertical distance from the "top" of the water in the pump tank to the pump discharge pipe. A typical requirement is 100 GPH @ 3 feet.
Step 3: Pump Selection Considerations
• Continuous vs. intermittent pump duty cycle increases pump life, plus no need for a timer or level control.
• A rule of thumb is that an average pump will last 2-4 times the stated warranty period.
• Best to buy a backup.
Step 4: Is A Foam Filter Needed?
The objective of a filter is to keep objects/grit out of the pump.
• While great for ponds, a foam filter in "ponics" systems is a maintenance headache as good place for algae to grow.
• If you endeavor to have clear water... you will likely need a separate pre-filter, so a foam filter is redundant.
• Green water algaponics systems require a vortex pre-filter; a foam filter would only clog with desirable algae.
• Micro-algae will not hurt a pump unless it stops water flow. Read more customer reviews ...
Hit the button below, to get discount price !
Deals for Ponics Pump 291, Salt/Fresh, Submersible, 5ft Cord, 16W Best Price from a Great Ponics Pump 291, Store. Fast & Super Saver Shipping. Just a few more days to check out and SAVE!.
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