Auto Dosing Solutions? - The Planted Tank Forum
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post #1 of 12 (permalink) Old 02-20-2018, 08:00 AM Thread Starter
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Auto Dosing Solutions?

Anybody have a decent solution to autodosing fertilizers? I'm perpetually terrible at keeping to dosing schedules so I want to put my tank on an autodosing for NPK macros and micros. I was thinking maybe keeping an eye out for cheap syringe pumps and putting those on a timer, or maybe make an air pressure based pumping system. But if there's a way to buy one for <$50 with two pumping heads that would be great. I know they sell individual pumping heads but it doesn't seem economical to build a system from scratch since I'd have to buy the parts to make it programmable and do the electrical work for it as well.
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post #2 of 12 (permalink) Old 02-20-2018, 11:15 AM
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Jebao DP4 or DP-2


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post #3 of 12 (permalink) Old 02-20-2018, 03:28 PM
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Originally Posted by Winzdk View Post
Jebao DP4 or DP-2
I was about to say the same...
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post #4 of 12 (permalink) Old 02-20-2018, 03:54 PM
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I built a single output one with a Tom's Aqua lifter, but its very fiddly. I wouldn't go that route again.


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post #5 of 12 (permalink) Old 02-20-2018, 07:56 PM Thread Starter
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Jebao DP4 or DP-2
Do you have pics of how big it is? I'm only running a 37L tank.
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post #6 of 12 (permalink) Old 02-21-2018, 06:41 AM
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Do you have pics of how big it is? I'm only running a 37L tank.
I don't know if this helps you:



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post #7 of 12 (permalink) Old 02-24-2018, 03:52 PM
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I don't know if this helps you:

Hi, Can I ask you what is the head of this pump? Is there a limitation in that? I don't know much about these peristaltic pumps.


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post #8 of 12 (permalink) Old 02-24-2018, 05:59 PM
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Hi, Can I ask you what is the head of this pump? Is there a limitation in that? I don't know much about these peristaltic pumps.
What do you mean with what is the head of this pump? And what limitation would that be? You can program it to any dose up to 24 times a day.

This is from the description:

Each Channel Provides 1 to 9999ml per day,24 timer per day
Can interval 30 days to dosing, Easy Set different time of the Dosing Pump


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post #9 of 12 (permalink) Old 02-25-2018, 01:27 AM
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Originally Posted by Winzdk View Post
What do you mean with what is the head of this pump? And what limitation would that be? You can program it to any dose up to 24 times a day.

This is from the description:

Each Channel Provides 1 to 9999ml per day,24 timer per day
Can interval 30 days to dosing, Easy Set different time of the Dosing Pump
Hi, Thanks. What I meant by the head of the pump is the maximum height the pump can deliver from it's discharge point.


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post #10 of 12 (permalink) Old 02-25-2018, 07:43 AM
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Hi, Thanks. What I meant by the head of the pump is the maximum height the pump can deliver from it's discharge point.

Mine is lifting about 5 feet without any issue. I don't know what the max is, but I think it's a good idea to put a "back valve" (sorry I don't know the english word) near the output end of the tube.
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post #11 of 12 (permalink) Old 02-25-2018, 12:00 PM
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Thank you so much!!!


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post #12 of 12 (permalink) Old 02-26-2018, 02:36 PM
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Peristaltic pumps can pump VERY high. The way they are designed doesn't really allow the liquid to "go backwards." They're "slow" though, that's why we don't use them for filters.
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