The Planted Tank Forum - View Single Post - Help: Where is the CO2 from my DIY?
View Single Post
post #3 of (permalink) Old 03-09-2013, 03:04 PM Thread Starter
Algae Grower
Join Date: Mar 2013
Location: London, Ontario
Posts: 5
Thanks Darkblade,

Though I assume that it's not recommended, would I be able to test the influence of the HOB filter by shutting it off overnight? If surface agitation is a main culprit, and if I shut the filter off, would pH be expected to drop after just one 12 hour "night" period?

I will look into finding a drop checker. But is the ph-KH relationship (through pH and KH test kits) completely unreliable? Shouldn't I still see some kind of pH change, but just not be able to rely on the test kits for an "accurate" calculation of CO2?

In other words, if I eliminate the HOB, I should see better gas dissolution/distribution. And if I get a drop checker, I should be able to more accurate estimate the concentration.


Markharrislondoncanada is offline  
For the best viewing experience please update your browser to Google Chrome