Join Date: Feb 2012
Location: South east asia
I turn it on 1-2 Hours before, and off 1 hour before lights off. If your fert regiment and tank is stable, you can try different timings and observe the difference in how fast before pearling appears.
The other factor is your rate of injection. For example DIY CO2 users with low rates of CO2 injection often leave the system running 24/7. On the other hand, if you inject enough CO2 to hit 40-60ppm levels within an hour, then you may have midday breaks in the system once the levels are hit to prevent overshooting.
47g Journal of sorts
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