Automatic dosing???
- Thread starter GPhiAce
- Start date
I am using two AquaMedic 3000 pumps which I purchased before I read a bunch of bad reviews of them. So far though, I have no complaints. I get my chemicals from Bulk Reef Supply and I control the dosing pumps with my RKE system. Works great. If I need to balance the levels a little I just adjust the amount of time that the pumps are on.
an411
Active member
GPhiAce I am in the same boat as you and I think i found a cheap efficient method with added benefit more then just a doser. I am going to go with 2 of drew's pumps from bulk reef supply and a RKE and on the RKE you can control each pump on a timer. SO not only are you getting a doser but the added RKE. THe liter meter is a nice unit also but the only thing that is a disadvantage and the reason that I sold mine is it only does 50ml minimum so if you don't dose that much you have to dilute with water which I wanted direct calcium and alk because I already have a ATO
GPhiAce
New member
OK, it was my understanding that Alk is the buffer potential of the system, so it can indirectly be used to monitor the pH is a certain extent, but not get pH readings of course. Since in 2 part solutions you dose Ca and Alk in equal proportions, I was just going to plug them both into the same port on the DC8. I know that this rationale and the system of dosing will need some close monitoring and dailing in, but it shoudl work~ NO????
I believe that Drew's pumps are similar to the Aqua Lifters in theory.
I believe that Drew's pumps are similar to the Aqua Lifters in theory.
an411
Active member
JUST FYI you do not have to dose in equal parts. I never dose the same amount I use alot more CA then alk I am almost through my CA and have half a jug of ALK
I am not sure what the ML per hour would be it maybe the similar to the drews pump I am going to take a look at that cause that is even cheaper option that I came up with
Ok, all I was trying to say is that you should not use the pH measurement to control your dosing of two part. Instead you should use an Alkalinity test kit.
In theory, you can calculate the Alkalinity of your salt water by pH, but in practice it doesn't work. The value fluctuates too much based on dissolved CO2 and other changing chemistry within the tank water.
Reefer08
New member
Your adding calcium and alkalinity to your ro/di top off water?? This won't work. The alkalinity and calcium must be added seperately.
You would be better off adding a small amount of kalkwasser to your ro/di resevior and dosing 2 part nightly to your tank.
2 drews doser peristaltic pumps on a digital timer for dosing your 2 part would work just fine. Eventually you could get a controller like a reef keeper and let the controller be your timer for the ca/alk.
You would be better off adding a small amount of kalkwasser to your ro/di resevior and dosing 2 part nightly to your tank.
2 drews doser peristaltic pumps on a digital timer for dosing your 2 part would work just fine. Eventually you could get a controller like a reef keeper and let the controller be your timer for the ca/alk.
detroit_fan
New member
Another vote for the litermeter 3. it is expensive up front but will last a very long time. I tried the aquamedic but it broke after a short period of time.
bloodyshoes
New member
as you can see from the multiple responses there are multiple solutions depending on what your needs/wants/budget are.
1. inexpensive - drews doser from bulk reef supply, downside is that it needs add on's like a timer and you have to do your own calculations to figure out how long to keep it running
2. middle of the road - aquamedic doser - downside it has gotten lots of bad reviews because of problems like backsiphoning, you have to add a check valve to the system which could lead to a blockage in the line
3. upper middle of the road - litermeter - very good reviews, most to all people are happy who have this system. downside is the base model has only one channel. additional add on modules are expensive and all totalled you have have only 3 channels
4. cadillac- profilux dosing system - it's like the bubble king of dosing pumps, very accurate, quiet and easy to use, but it's expensive
1. inexpensive - drews doser from bulk reef supply, downside is that it needs add on's like a timer and you have to do your own calculations to figure out how long to keep it running
2. middle of the road - aquamedic doser - downside it has gotten lots of bad reviews because of problems like backsiphoning, you have to add a check valve to the system which could lead to a blockage in the line
3. upper middle of the road - litermeter - very good reviews, most to all people are happy who have this system. downside is the base model has only one channel. additional add on modules are expensive and all totalled you have have only 3 channels
4. cadillac- profilux dosing system - it's like the bubble king of dosing pumps, very accurate, quiet and easy to use, but it's expensive
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