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Old 02-02-2019, 02:21 PM   #1
kevbeer
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bait tank design

I am about to fabricate a cheap bait tank for use on a recently purchased used 2017 hobie outback. Looking to fish La Jolla kelp and yellow tail as the extreme case, with SD bay including the jeti etc. as sort of a normal routine. I would like to minimize tank volume and pump power.


I have a design in mind for initial build however can't decide which tote to use. I have bought two shown below.


Q1: what is minimum depth in a bait tank given my fishing locations? I am hoping 6" or less is adequate.
Q2: what is minimum length and width of a bait tank? I know people use 9.5x9.5 petfood containers.
Q3: what is a decent (not ideal) water flow per minute in a 3 galloon bait tank? I am planning to have 1 gallon per minute which means complete volume change over every 3 minutes.

Thanks in advance
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Old 02-02-2019, 02:31 PM   #2
YakDout
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Either container I should work fine. But your pump speed is a little fast. Is this with a 12 volt battery? You want tank to fill in about 7 minutes. No matter the size. If your current flow rate is with a 12volt switch to a 6 volt and it should be very close.
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Old 02-02-2019, 03:49 PM   #3
kevbeer
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Yes, I was thinking 12 volt. I've been looking really cheapo pumps off amazon, and the one I expect to get is 12 volt , 5 watt , (~.5 amp). Quoted flow is 240 L/Hr = ~1.0 gallons per minute however this may be over quoted.

Any thoughts on the 6" depth? What is the recommended minimum? I would like to go say 5" if that works. Am I bordering on the tank being too small?
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Old 02-02-2019, 03:50 PM   #4
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25gph bilge pump running on a 6V is the most common configuration you'll see out there.
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Old 02-02-2019, 03:50 PM   #5
kevbeer
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Oh and what about color? does it really matter?


Getting antsy! Want to pick one, drill some holes and get started!
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Old 02-02-2019, 03:57 PM   #6
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One issue I see with the totes are all the edges. You're more likely to beat up your fin baits
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Old 02-02-2019, 03:57 PM   #7
kevbeer
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Quote:
Originally Posted by jruiz View Post
25gph bilge pump running on a 6V is the most common configuration you'll see out there.
really? can you provide link to this 25 gph? the ones I have been seeing in posts and pictures are all super high gph
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Old 02-02-2019, 04:13 PM   #8
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Quote:
Originally Posted by kevbeer View Post
really? can you provide link to this 25 gph? the ones I have been seeing in posts and pictures are all super high gph
My mistake. Rule 25 is a real popular pump. It is 500gph
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Old 02-03-2019, 08:22 AM   #9
YakDout
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Quote:
Originally Posted by kevbeer View Post
Yes, I was thinking 12 volt. I've been looking really cheapo pumps off amazon, and the one I expect to get is 12 volt , 5 watt , (~.5 amp). Quoted flow is 240 L/Hr = ~1.0 gallons per minute however this may be over quoted.



Any thoughts on the 6" depth? What is the recommended minimum? I would like to go say 5" if that works. Am I bordering on the tank being too small?


You can run a 12 volt pump on a 6 volt battery. I was suggesting it because your fill will be too fast with a 12volt if itís going to fill in 3 minutes.
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Old 02-08-2019, 03:08 PM   #10
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About done. Went 6v. I imagine fill is around 5 minutes. I will measure later.
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Old 02-09-2019, 08:42 AM   #11
bertha
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Loving this thread! indeed
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Old 02-10-2019, 08:37 AM   #12
kevbeer
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I measured to pump 1 gallon takes 2 mins 15 seconds which mean ~6:45 fill. I am going to drill drain holes to hold exactly 3 gallons. In retrospect I should've put the inlets lower and not had to trim the lid but hey live and learn.
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Old 02-10-2019, 06:36 PM   #13
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Quote:
Originally Posted by kevbeer View Post
I measured to pump 1 gallon takes 2 mins 15 seconds which mean ~6:45 fill. I am going to drill drain holes to hold exactly 3 gallons. In retrospect I should've put the inlets lower and not had to trim the lid but hey live and learn.


Pretty spot on flow rate. Nice work
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Old 02-10-2019, 07:08 PM   #14
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Looks good. Keep in mind when you drill the holes that you will be rocking on the water, not sitting on stable dryland. I would suggest drilling them higher than you think they should be. You can always drill more lower. A lot easier than plugging holes that ends up before my too low.

Last edited by Hunters Pa; 02-12-2019 at 10:10 AM. Reason: typo
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Old 02-11-2019, 12:51 PM   #15
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Kind of curious about why you went with one of those boxes instead of a vittles or pet food type of container?

I am not a bait tank expert, just wondering.
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