Help me increase my CO2 - The Planted Tank Forum
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post #1 of 39 (permalink) Old 02-06-2007, 07:08 PM Thread Starter
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Help me increase my CO2

I am having trouble getting higher C02 concentrations with my Red Sea 500 reactor. I'm using the DIY drop checker and it's green most of the time, but I'd like to get it yellow and crank it up a bit to help with a small algae problem. Any suggestions? I'm hearing about diffusers and such lately, but not sure how they would work with my Red Sea C02 system. Currently I can't run more than about 1 bubble per second without it losing efficiency.

55 Gal, Fluval 305, GE 9325K CF 55x2 (7hrs/day), Coralife T5 56 watts (used in conjunction with the GE 9325's 2hrs/day.), Eco-Complete substrate, EI Dosing, Flourish Excel, 200 watt heater, Pressurized CO2 with Rhinox 2000 diffuser, Coralife Turbo Twist 3X - 9 Watt U.V. Sterilizer on 24/7.
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post #2 of 39 (permalink) Old 02-06-2007, 07:58 PM
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Where is your ph now! may be the CO2 is not being that efficient. Regards, jC.
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post #3 of 39 (permalink) Old 02-06-2007, 08:00 PM Thread Starter
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Ph is relatively constant at 6.9-7.0

55 Gal, Fluval 305, GE 9325K CF 55x2 (7hrs/day), Coralife T5 56 watts (used in conjunction with the GE 9325's 2hrs/day.), Eco-Complete substrate, EI Dosing, Flourish Excel, 200 watt heater, Pressurized CO2 with Rhinox 2000 diffuser, Coralife Turbo Twist 3X - 9 Watt U.V. Sterilizer on 24/7.
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post #4 of 39 (permalink) Old 02-06-2007, 09:16 PM
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I'd been having trouble getting CO2 levels up using a glass diffuser and got the Red Sea 500 -- and saw no improvement at all. I gave up on my Red Sea 500 and went with my glass diffuser situated directly below the intake for a powerhead. My CO2 levels skyrocketed in my 75 gallon.

I think the Red Sea 500 might work in a much smaller tank, but it's nowhere near sufficient for larger tanks (even though they claim it works for tanks up to 125 gallons).
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post #5 of 39 (permalink) Old 02-06-2007, 09:45 PM
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if you drill a hole in the reactor chamber, insert some plastic tubing, then run it to the back of the powerhead such that bubbles of Co2 come thru, and get sucked back into the powerhead impeller thus get chewed up some more, you might be able to increase the reactors efficiency. I've never seen anyone do this, but it should work in theory anyway


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post #6 of 39 (permalink) Old 02-06-2007, 09:49 PM Thread Starter
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Originally Posted by spypet View Post
if you drill a hole in the reactor chamber, insert some plastic tubing, then run it to the back of the powerhead such that bubbles of Co2 come thru, and get sucked back into the powerhead impeller thus get chewed up some more, you might be able to increase the reactors efficiency. I've never seen anyone do this, but it should work in theory anyway

Good thinking, but I don't really feel like drilling into anything. I'm looking to more or less replace the reactor with something better. Rhinox 2000 and an anheim water pump to disperse the CO2 an ideal way of making more CO2?

55 Gal, Fluval 305, GE 9325K CF 55x2 (7hrs/day), Coralife T5 56 watts (used in conjunction with the GE 9325's 2hrs/day.), Eco-Complete substrate, EI Dosing, Flourish Excel, 200 watt heater, Pressurized CO2 with Rhinox 2000 diffuser, Coralife Turbo Twist 3X - 9 Watt U.V. Sterilizer on 24/7.
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post #7 of 39 (permalink) Old 02-07-2007, 02:45 AM
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Build an external DIY PVC reactor and you will never look back.
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post #8 of 39 (permalink) Old 02-07-2007, 02:56 AM Thread Starter
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Build an external DIY PVC reactor and you will never look back.
Just curious, but how does your DIY reactor work? I'm assuming it work the same as this: DIY CO2 Reactor

55 Gal, Fluval 305, GE 9325K CF 55x2 (7hrs/day), Coralife T5 56 watts (used in conjunction with the GE 9325's 2hrs/day.), Eco-Complete substrate, EI Dosing, Flourish Excel, 200 watt heater, Pressurized CO2 with Rhinox 2000 diffuser, Coralife Turbo Twist 3X - 9 Watt U.V. Sterilizer on 24/7.
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post #9 of 39 (permalink) Old 02-07-2007, 08:39 AM
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Start adding Flourish Excel to your dosing regime until you can get better C02 figured out, it can be a little tricky.

Craig

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post #10 of 39 (permalink) Old 02-07-2007, 12:53 PM Thread Starter
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Start adding Flourish Excel to your dosing regime until you can get better C02 figured out, it can be a little tricky.
Just curious, but how much should be added in conjunction to my dosing regime? I'm dosing the EI method. Lighting on 7 hours a day. UV on 24/7.

40-60 Gallon Aquariums
+/- 1/2 tsp KN03 3x a week
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55 Gal, Fluval 305, GE 9325K CF 55x2 (7hrs/day), Coralife T5 56 watts (used in conjunction with the GE 9325's 2hrs/day.), Eco-Complete substrate, EI Dosing, Flourish Excel, 200 watt heater, Pressurized CO2 with Rhinox 2000 diffuser, Coralife Turbo Twist 3X - 9 Watt U.V. Sterilizer on 24/7.
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post #11 of 39 (permalink) Old 02-07-2007, 01:32 PM
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Follow the directions on the bottle. And don't overdose.
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post #12 of 39 (permalink) Old 02-07-2007, 07:28 PM
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Quote:
Originally Posted by caymandiver75 View Post
Just curious, but how does your DIY reactor work? I'm assuming it work the same as this: DIY CO2 Reactor
Go to Rex's site and it will you you which one he is talking about.


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post #13 of 39 (permalink) Old 02-07-2007, 11:23 PM Thread Starter
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Start adding Flourish Excel to your dosing regime until you can get better C02 figured out, it can be a little tricky.
I just bought a 500ml bottle of the Flourish Excel and added 5 cap fulls and will add one cap full every other day in conjunction with my CO2, which I just tested and it's at 16.68ppm! I'd like to keep the Red Sea pressure regulator, bubble counter and needle valve, but that RC 500 Reactor just isn't giving me enough. I'm going to try setting the reactor flow rate in the middle and turn up the bpm and see if I can see a change tomorrow in my CO2 level.

What do you guys think of getting a diffuser and a water pump to disperse the CO2 through the tank.

55 Gal, Fluval 305, GE 9325K CF 55x2 (7hrs/day), Coralife T5 56 watts (used in conjunction with the GE 9325's 2hrs/day.), Eco-Complete substrate, EI Dosing, Flourish Excel, 200 watt heater, Pressurized CO2 with Rhinox 2000 diffuser, Coralife Turbo Twist 3X - 9 Watt U.V. Sterilizer on 24/7.
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post #14 of 39 (permalink) Old 02-07-2007, 11:44 PM
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Good, you will notice a difference in the plants and algae real fast, within the next day or so.

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What do you guys think of getting a diffuser and a water pump to disperse the CO2 through the tank.
That will yield you much better results than the RS reactor500, I believe that contraption is for a much smaller tank like 20g or less, anyway, sounds like you are on you way up the food chain...

Craig

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post #15 of 39 (permalink) Old 02-07-2007, 11:52 PM Thread Starter
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Good, you will notice a difference in the plants and algae real fast, within the next day or so.


That will yield you much better results than the RS reactor500, I believe that contraption is for a much smaller tank like 20g or less, anyway, sounds like you are on you way up the food chain...
Man I sure hope so. Any recommendations on a diffuser and water pump for a 55 gallon?

PS.. I also raised the water level just now to reduce the amount of water agitation at the surface. I'll be doing a CO2 test tomorrow to see how the increase in bpm, adjusted reactor pump flow and reduced water movement at the surface affects my CO2 levels tomorrow at this time.

55 Gal, Fluval 305, GE 9325K CF 55x2 (7hrs/day), Coralife T5 56 watts (used in conjunction with the GE 9325's 2hrs/day.), Eco-Complete substrate, EI Dosing, Flourish Excel, 200 watt heater, Pressurized CO2 with Rhinox 2000 diffuser, Coralife Turbo Twist 3X - 9 Watt U.V. Sterilizer on 24/7.
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