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That range is too wide. A pH regularly below 7.7 or above 8.4 will have long term consequences on the health of the corals.don't go below 7.3 or above 8.7
My tank is roughly 3months old so it’s still new also.
Yesterday had my daughter birthday at home and a few people came in you can see it never went above 7.75 as the other days. Also is a new tank pH swings are expected
In a 24hour period my alk went from 9.4 to 9.0. So as of this morning it’s 9.0. This is with a Hannah checker. I also have a small fugecheck the alk. I had swings until I got kh up to 9 dkh or so.
Adding macro algae (usually in a refugium) will increase the ph.
my .02
That sounds pretty good to me anyway.In a 24hour period my alk went from 9.4 to 9.0. So as of this morning it’s 9.0. This is with a Hannah checker. I also have a small fuge
I’m also using instant ocean and not reef crystals. I get my salt water form lfs ( until I get my awc set up ) when I first got my Hannah checker my dKH was at 7.9 and calcium was at 360. About a week later I went to get a 5 gallon bucket of salt water to do a 5 gallon water change. I tested my alk the and cal the next day and it was at 9.4 and 470. I then tested my alk the next day in 24hrs and it was at 9.0. They had to mix a brand new thing of salt as they didn’t have any ready so not sure if this spiked my alk and calcium, but I don’t think 5 gallons would do that. My tank is 65 gallons total water volumeThat sounds pretty good to me anyway.
I would read the improved diy two part from DR. Holmes-Farley to check calcium and (less importantly) magnesium.
For instance my calcium was 350ppm or less. When I got that up to 450 or so, then alk started dropping. So I eventually started dosing baking soda and finally just implemented the diy two part.
I was using instant ocean (not reef crystals) and magnesium was way low like 700ppm or so. It took pounds of epsom salts to get the 55g up to 1350pm
my .02
ps sorry I didn't read the dkh value in your first post.
About 6 frags of zoas, 3 head Duncan, 2 head frog, one head torch, frag of gsp, super freak mushrooms and two Ricordia. Nothing much reallyWhat’s in the tank?
Also I have yet to test mag as I don’t have test for that. I probably should test thisThat sounds pretty good to me anyway.
I would read the improved diy two part from DR. Holmes-Farley to check calcium and (less importantly) magnesium.
For instance my calcium was 350ppm or less. When I got that up to 450 or so, then alk started dropping. So I eventually started dosing baking soda and finally just implemented the diy two part.
I was using instant ocean (not reef crystals) and magnesium was way low like 700ppm or so. It took pounds of epsom salts to get the 55g up to 1350pm
my .02
ps sorry I didn't read the dkh value in your first post.
Sometimes when you chase pH you can create more problems than leaving the pH swing, if you don't go below 7.3 or above 8.7 you're livestock will adapt.
Also I have yet to test mag as I don’t have test for that. I probably should test this
I’m also using instant ocean and not reef crystals. I get my salt water form lfs ( until I get my awc set up ) when I first got my Hannah checker my dKH was at 7.9 and calcium was at 360. About a week later I went to get a 5 gallon bucket of salt water to do a 5 gallon water change. I tested my alk the and cal the next day and it was at 9.4 and 470. I then tested my alk the next day in 24hrs and it was at 9.0. They had to mix a brand new thing of salt as they didn’t have any ready so not sure if this spiked my alk and calcium, but I don’t think 5 gallons would do that. My tank is 65 gallons total water volume