pH/Water top off question

jmkarcz

New member
I thought it better I post this here rather than the Chem Forum. Proly because a fellow reefer said something that made sence about my pH problem...

After I purchased my new controller last month, I began to closely watch my pH. Closer than ever before. It naturally steeles out at 7.7 or so during the night, even witht he fuge light on 24 hours a day. During the day, I "may" break 8.0, but not likely - I come close...

It has been suggested that the ro/di resivoir that I use is supplied by water from our very own Lake Michigan, which, arrives to us with a slightly lower pH. (due to the rock formations and the geological considerations.) I am not disputing individual well water conditions here. I'm only looking at those of us with L.Mich. water.

Is anyone (that uses Lake Mich water) seeing this as well? I mean, is anyone else maintaining an 8.0-8.3 pH without an additive?


Since I can easily walk up to my tank and add, say, 16 teaspoons of the Seachem pH adjuster.. I ask myself about the ramifications of adding that much sludge to the tank... I am contemplating adding something to my top off water to raise this more "automatically"

Jason
 
I use Osmo-Prep Marine and it makes my top off water right at 8.2. It is pretty cheap, and it works good. I am sure there are other things out there that will work just as good and just as cheap, but Osmo-Prep woeks for me.
 
I wouldn't worry about it - stability is more key than a certain number - as long as your coralline algae keeps growing, I think you're doing OK.
 
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