pH controller

Mobydock · 02-07-2006, 11:21 AM

Due to unbeatable aglae, I've finally given in to adding co2 to both of my tanks running right now. I've been looking through a bunch of pressurized set-ups, some have a solenoid and pH controller, some have a solenoid and automatic timer and some are just manually adjusted with the regulator and needle valve. I want to know if the pH swings are going to be big enough that I should consider a pH controller and solenoid. Once it's set-up, I don't want to be adjusting manually 3 times a day, everyday, just to make it work.

I just started testing and it's freakin me out. pH is 7.8-8.0 and KH is 8.4(150ppm). If water volume makes a difference, they're 20G and 75G.

**Damon** · 02-08-2006, 06:06 AM

IME, controllers are useless. Keep your KH above 3, and use 2 timers. The first timer will run the lights. The second will turn the solenoid on and off 1 hr before and 1 hr after the lights on/off period. Works well for thousands.

02-07-2006, 11:21 AM	#1
Mobydock Where's the beef? Join Date: Sep 2005 Location: Ontario, Canada Age: 23 Posts: 153	pH controller Due to unbeatable aglae, I've finally given in to adding co2 to both of my tanks running right now. I've been looking through a bunch of pressurized set-ups, some have a solenoid and pH controller, some have a solenoid and automatic timer and some are just manually adjusted with the regulator and needle valve. I want to know if the pH swings are going to be big enough that I should consider a pH controller and solenoid. Once it's set-up, I don't want to be adjusting manually 3 times a day, everyday, just to make it work. I just started testing and it's freakin me out. pH is 7.8-8.0 and KH is 8.4(150ppm). If water volume makes a difference, they're 20G and 75G.

02-08-2006, 06:06 AM	#2
Damon Aquatic Naturalist Join Date: Jan 2005 Location: Dayton, Ohio Age: 32 Posts: 14,982	IME, controllers are useless. Keep your KH above 3, and use 2 timers. The first timer will run the lights. The second will turn the solenoid on and off 1 hr before and 1 hr after the lights on/off period. Works well for thousands. __________________ For in much wisdom [is] much grief: and he that increaseth knowledge increaseth sorrow. Member of the AGA (Aquatic Gardner's Association) Member of the IBC (International Betta Congress)

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