FAQ #32: Where should I direct my pumps flow - the tank's rock work, or the surface of the water?
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Tunze Turbelle Nanostream 6025 (740 GPH)
$54.15
Special Price: $48.74
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Tunze Turbelle Nanostream 6045 (1175 GPH)
$76.52
Special Price: $68.87
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Tunze Turbelle Nanostream 6055 Controllable (250-1450 GPH)
$188.69
Special Price: $169.82
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Tunze Turbelle Stream 6065 (1700 GPH)
$118.22
Special Price: $106.40
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Tunze Turbelle Stream 6085 (2100 GPH)
$164.79
Special Price: $148.31
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Tunze Turbelle Stream 6125 (3150 GPH)
$198.29
Special Price: $178.46
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Hydor USA Koralia Magnum 5 Powerhead (1650 GPH) - Hydor USA (DISCONTINUED)
$97.99
Special Price: $49.00
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Hydor USA Koralia Evolution Powerhead (850GPH)
$41.99
Special Price: $37.79
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Hydor USA Koralia Evolution Powerhead (1150 GPH)
$49.99
Special Price: $44.99
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Hydor USA Koralia Evolution Powerhead (1500 GPH)
$54.99
Special Price: $49.49
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Hydor USA Koralia Nano Powerhead (240 GPH)
$29.99
Special Price: $26.99
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Hydor USA Koralia Nano Powerhead (425 GPH)
$31.99
Special Price: $28.79
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Hydor USA Koralia Evolution (600 GPH)
$36.99
Special Price: $33.29
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Tunze Turbelle Nanostream 6020 (660 GPH)
$43.78
Special Price: $39.40
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Tunze Turbelle Nanostream 6040 (53 - 1,190 GPH)
$143.11
Special Price: $128.80
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Hydor USA Koralia Nano Powerhead (565 GPH)
$34.99
Special Price: $31.49
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EcoTech Marine VorTech MP60wQD QuietDrive Propeller Pump
$699.99 -
EcoTech Marine VorTech MP40wQD QuietDrive Propeller Pump
$366.50 -
EcoTech Marine VorTech MP10wQD QuietDrive Propeller Pump
$299.99 -
EcoTech Marine VorTech MP10QD QuietDrive Propeller Pump
$249.99 -
Sicce XStream Wave Pump (925 GPH)
$68.99
Special Price: $62.09
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Sicce XStream Wave Pump (1320 GPH)
$79.99
Special Price: $71.99
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Sicce XStream Wave Pump (1720 GPH)
$95.99
Special Price: $86.39
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Sicce XStream Wave Pump (2120 GPH)
$107.99
Special Price: $97.19
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Sicce XStream-E Variable DC Wave Pump (800-2250 GPH)
$249.99
Special Price: $224.99
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Neptune Systems WAV Single Pump (4000 GPH)
$174.95 -
Neptune Systems WSK WAV Starter Kit
$449.95 -
Hydor USA Koralia Third Generation Powerhead (1350 GPH)
$68.49
Special Price: $61.64
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Hydor USA Koralia Third Generation Powerhead (1950 GPH)
$75.49
Special Price: $67.94
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Hydor USA Koralia Third Generation Powerhead (2450 GPH)
$84.49
Special Price: $76.04
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Tunze Turbelle Nanostream 6015 (475 GPH)
$40.99
Special Price: $36.89
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Maxspect XF230 Gyre Pump with Controller (2300 GPH)
$289.99
Special Price: $231.99
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Maxspect XF250 Gyre Pump with Controller (5300 GPH)
$339.99 -
Maxspect XF280 Gyre Pump with Controller (6000 GPH)
$449.99
Special Price: $359.99
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Maxspect XF230 Gyre Pump Only (2300 GPH)
$139.99
Special Price: $111.99
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Maxspect XF250 Gyre Pump Only (5300 GPH)
$159.99 -
Maxspect XF280 Gyre Pump Only (6000 GPH)
$309.99
Special Price: $247.99
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Neptune Systems WAV Pump 2 Pack
$349.90 -
Neptune Systems Apex Controller & WAV Pump 2 Pack
$1,149.95 -
Rossmont Mover M900 Powerhead (900 GPH)
$49.90 -
Rossmont Mover M1200 Powerhead (1200 GPH)
$59.90 -
Rossmont Mover M1500 Powerhead (1500 GPH)
$69.90 -
Rossmont Mover M1900 Powerhead (1900 GPH)
$79.90 -
Rossmont Mover MX2600 Powerhead (2600 GPH)
$89.90 -
Rossmont Mover MX3000 Powerhead (3000 GPH)
$99.90 -
Rossmont Mover MX3500 Powerhead (3500 GPH)
$109.90 -
Rossmont Mover MX4100 Powerhead (4100 GPH)
$119.90 -
Rossmont Waver Pump Controller
$199.90 -
Maxspect Gyre XF230 Advanced Controller
$149.99
Special Price: $119.99
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Maxspect Gyre XF250 Advanced Controller - Maxspect (DISCONTINUED)
$179.99
Special Price: $90.00
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Maxspect Gyre XF280 Advanced Controller
$139.99
Special Price: $111.99
Today we’re answering Yeshwanth Yarremsetty’s question, "Should I keep flow directed towards my rock work, or slightly upwards to create waves on surface?"
If at all possible, I’d recommend both. It's important to have surface agitation in the aquarium as this promotes gas exchange. In other words, carbon dioxide is gassed out of the tank resulting in a higher pH from a lower concentration of CO2 and carbonic acid in the aquarium, and potentially lower nitrates as anaerobic bacteria convert nitrate into nitrogen gas that then gasses out of the aquarium. Adequate surface agitation helps to make these processes much more efficient.
The other component to this is oxygen entering the aquarium. The rippling surface of the water helps to bring more oxygen into the aquarium. Not only is this important for your corals and fish ability to respire, but it also helps to displace those gasses I mentioned earlier: CO2 and Nitrogen.
Additionally, increasing your surface agitation can increase your evaporation rate. If your tank is running warm, a higher evaporation rate is a good thing to shoot for. As the water evaporates it takes heat away from the water. Coupling that with a fan pointed at the water's surface can increase the impact of this effect, and in some cases can drop temps by 2 degrees or more depending on the situation, potentially even eliminating the need for a chiller.
So follow along as we answer today's question, provide some helpful insight, and help make reefing just bit more fun and easy for you and your tank.
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