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BornToHula

BornToHula's 240 Gallon Build

359 posts in this topic

Thanks.  I've been using 55 gallon drums made from white poly but really like the look of yours.  I have them for several years and don't remember if they're considered food quality either.  Oh well.  Thanks again.  Don't want to derail your build thread so it's all good:)

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Got the calcium reactor up and running.  Only issue so far is I'm having a hard time getting a constant effluent flow. The reactor is fed from my return pump manifold. I'm shooting for 30 drips a minute, but once I crank the needle valve on the reactor lower than about 120 drops a minute it tends to stop flow completely.  Maybe not enough pressure from the manifold?

EMyYbJq.jpg

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i feed my CARX and my sulfer/anaerobic reactors w/ a secondary pump w/ only 1/4" tubing and needle wheel valves (usplastics has them cheaper than BRS, same exact ones).  you need the head pressure isolated for accurate constant flow.   I have everything else manifolded because they dont need a tight constant like the reactors I have do.

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37 minutes ago, FarmerTy said:

Is the needle valve before the reactor or after?

The needle valve is built into the reactor at the feed line.  The knob marked with the red arrow shows where I adjust the flow.

cX42XyQ.jpg

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14 minutes ago, Isaac said:

i feed my CARX and my sulfer/anaerobic reactors w/ a secondary pump w/ only 1/4" tubing and needle wheel valves (usplastics has them cheaper than BRS, same exact ones).  you need the head pressure isolated for accurate constant flow.   I have everything else manifolded because they dont need a tight constant like the reactors I have do.

What kind of pump do you use for your reactors?

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1 minute ago, BornToHula said:

What kind of pump do you use for your reactors?

super old rio 2600 i think.. ill have to check my build thread and come back to update :) 

EDIT:  waaaay off:  -rio1100 (anaerobic coil + calcium reactor)

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I managed to get the effluent rate coming through at a pretty consistent rate at different drip rates.  The secret is to adjust the needle valve very slowly. 

I did notice my regulator's solenoid is switching on an off fairly often.  Is this normal?  My CO2 bubble rate right now is 10 bubbles per minute. Apex is set to turn on CO2 at 6.7 ph and off at 6.6 ph.  The current settings aren't quite keeping up with my tank's alkalinity needs so I will need to adjust some things. With how fast the ph drops in the reactor at 10 bubbles per minute should I just increase the effluent flow?

ndfR1Gs.jpg

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I put a 5min delay on mine, to save the solenoid a little bit:

Fallback OFF 
Set OFF 
If CaRktr > 6.58 Then ON 
If CaRktr < 6.55 Then OFF 
If pH < 7.89 Then OFF 
If Outlet Leak_A2 = ON Then OFF 
If Outlet Levels_A5 = ON Then OFF 
If WtrChg CLOSED Then OFF 
If RefuLo CLOSED Then OFF 
If Outlet PwrSvPumps6 = ON Then OFF 
If Outlet PwrApex_A12 = ON Then OFF 
Defer 005:00 Then ON 
 

My flow rate is about 0.13 liter/min.. i was aiming for 0.10, but it seems to clog faster that way.. I have higher alk issue because of this though (ca/mg are perfect)

 

2017-04-26_13-10-09.png

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