Calcium Question

[Josh Hobgood]

Okay guys and gals. My nitrites are gone! It is good to know they are not that big a deal in saltwater tanks. I have had what looks like a bacterial bloom everyday. It seems to get worse during the day. I know the lights might make it seem worse so I took out water throughout the day in a white cup and it still seems to be cloudier in the middle of the day as the PH goes up. I monitor rises and falls through Neptune Apex. My levels are as follows:

Ammonia: 0
Nitrite: 0
Nitrate: 10
Phosphate: .03
PH: 8.3
Temp: 77.9
Salinity: 1.025
Alkalinity: 7.5 (Was 8.3 One Week Ago)
Magnesium: 1480
Calcium: I topped the Hanna Checker Out 3 Times in a Row. It just blinks 600 (I think it is really high)

https://www.bulkreefsupply.com/hw-marinemix-reefer-salt-mix.html

That is a link to the Salt I have been using. I have switched to...

https://www.bulkreefsupply.com/aquarium-salt-mix-red-sea.html

It does seem to have the "snow" affect in the day. I have a Purple and Yellow Tang. For corals I have a Gold Wall Hammer Frag in the sand and a Frogspawn Frag in the sand. I also have one hermit crab. I have Red Sea's Alkalinity supplement and ESV Bionic 2 Part on hand. I am currently doing weekly 12 gallon water changes. My question is how should I proceed dealing with the Alkalinity and Calcium?

 

[Jvesche20]

How long have you been switched over for? 600 is really high. Red Sea produces 410 from what the picture in the link shows.

 

[Josh Hobgood]

Just today. First water change with it will be tomorrow. It is mixing up now.

 

[Jvesche20]

The salt you used to use says calcium ranges from 445-450. I don’t know how your at 600... do you dose calcium?

 

[Josh Hobgood]

I followed the Red Sea Reef Mature Kit is the only other thing that I know about. I had a guy from a LFS bring me water to fill it up with initially. I do not know what kind of salt he used