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03-14-2009, 01:21 PM
| #1 | ||
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i have a 130+ gallon res w/ a large chiller and a 1000+ gph pump water falls out of 3/4 hose from about 4" above water level in res and pump is on opposite end to circulate water do i need an air pump or will the chiller/pump/water fall/ be addicute O2? is there a way to use this system to avoid the need for an air pump? if i do need an air pump which is the best all around for this size res.? - also - i wonder why the ezcloner has an air pump - seems like spraying would eliminate the need | ||
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03-14-2009, 02:33 PM
| #2 | ||
| Ultimate Gardener   Join Date: Jan 2002 Location: a land far far away
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 | a waterfall of about a foot should be all you need, if you dont want an airstone. | ||
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03-14-2009, 02:40 PM
| #3 | |||
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do you just let it fall straight down or do you try and create some type of cascading effect? | |||
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| The Following User Says Thank You to bgb_123 For This Useful Post: | vpur (03-15-2009) |
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03-14-2009, 03:43 PM
| #4 | ||
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| splashing is a possibility... depends how you set it up. never seen anyone cascade a waterfall before. usually its just a pvc pipe dumping into a res. this isnt really my field. waterfalls are loud and messy. i got for the air stones, 2 liter a minute/per gallon is reportedly the "ideal" though i know few people with airpumps anywhere near that big. | ||
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03-14-2009, 04:54 PM
| #5 | ||
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| I grow e&f with 40 gallon reservoirs and do not use airstones. A chiller keeps the res at 66 degrees and the dissolved oxygen comes from when my table drains back into the reservoir.
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03-14-2009, 05:12 PM
| #6 | |||
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the lower temps add more O2 - plus with pellets you water more often so you get a bit more oxygen from ore frequent drains thanks  BC | |||
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03-14-2009, 05:26 PM
| #7 | |||
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Eco Plus 5 Commercial Air Pump, 80W , 88L/min in Pet Supplies - BizRate this one does 88L per min so they say this is only ideally good for a 44 gallon res wow - i see why no one has one even near that- i cant even find one big enough at that rate  are you sure the math is correct - i seen some that were rated gph?? | |||
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03-14-2009, 09:36 PM
| #8 | |||
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 those eco 5 pumps are nice. pretty loud, i sold mine and kept the two eco 4's. now i regret it. alita makes the big bad ass pumps, if you are looking. i think 2000 cc/min is insanely high too... but GD2K insists and hes the man when it comes to this sorta thing. | |||
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03-14-2009, 09:54 PM
| #9 | |||
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03-14-2009, 10:04 PM
| #10 | ||
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| got it thanks Air Pumps even the larges one isnt 2Lper min for 130 GLN res - its just over 1 liter per min but if i factor in the chiller nad the water fall - im sure its betterthan most and will work fine | ||
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