ph maintanig

Hey there, I would suggest not using baking soda or any other pH raising additive (buffer) on a regular basis. They can introduce other non-ideal elements and skew alkalinity. The ideal situation is regular addition of two part calcium/alkalinity supplements, (or a CA reactor) and maintaining your pH through other regular means that doesn't involved adding buffers regularly. What is your pH now? A good quality salt mix should give you a pH of around 8.1 - 8.3 as a baseline.

Assuming you need to raise it (?) try opening a window and making sure the air in your house is refreshed. You will be surprised on how much this will help. Drawing your skimmer's air from the outside will also usually help. You can try a refugium with macro algae lit opposite your tank (lit at night), which will help stabilize the daily pH swing, but might not increase it overall that much.

Here is a good article about pH you might want to read. I little science-heavy, but wading through that it is pretty informative.

http://reefkeeping.com/issues/2004-09/rhf/index.htm

Good luck!
 
What is your pH at now? It is surprisingly difficult to get the pH out of whack. The most important thing is that you don't have massive daily swings. Most tanks have a daily natural pH swing of around .2 (7.8-8, 8-8.2, 8.1-8.3, etc.) mostly from the lights being on.
 
Hey there, I would suggest not using baking soda or any other pH raising additive (buffer) on a regular basis. They can introduce other non-ideal elements and skew alkalinity. The ideal situation is regular addition of two part calcium/alkalinity supplements, (or a CA reactor) and maintaining your pH through other regular means that doesn't involved adding buffers regularly.

Baking soda is fine for raising alk. The alk part of a two part supplement is baked baking soda.

As they said, don't use it to fix pH though. Only add it if alk is low. It seems most reefers don't worry much about pH. Just make sure alk is in line.
 
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