Need some help with algae issue…

[DylanCameron]

I am using Red Sea Coral Pro Salt. For Salinity, I have two refractometer and I use them to cross reference the salinity... Since it's been so hot these days with the evaporation, that might be an issue (I top it off every night though).



I think I will try the soda ash path for now and see if I can raise my kH. Doesn't look like the corals and coralline algae is consuming much of the calcium though. I will try to get kH a little higher and go from there.

Will report in about a week.

The salt you’re using has high calcium (465ppm @ 35ppt), so your redsea test kit which is only sensitive to 15ppm could easily read 465 as 480 and vice versa. Water changes won’t help you bring down your Ca. Even with 2 refractometers you’ll still want to make sure you’re calibrating them every once in a while, if your salinity creeps up a bit then your minerals will also creep up.

 

[five.five-six]

I am using Red Sea Coral Pro Salt. For Salinity, I have two refractometer and I use them to cross reference the salinity... Since it's been so hot these days with the evaporation, that might be an issue (I top it off every night though).

Salinity isn/t that critical. The salt never leaves the tank other than if you remove water and salt creep. If a gallon evaporates, and you add a gallon of RO/DI back in, your salinity will stay the same. I do kno a girl who topped off with salt water for a rear and her SG got to 051 LOL, things lived through that

 

[mariyamokshina]

The salt you’re using has high calcium (465ppm @ 35ppt), so your redsea test kit which is only sensitive to 15ppm could easily read 465 as 480 and vice versa. Water changes won’t help you bring down your Ca. Even with 2 refractometers you’ll still want to make sure you’re calibrating them every once in a while, if your salinity creeps up a bit then your minerals will also creep up.

Don’t forget to shake up your calibration liquid well before using it on your refractomerter. I wasn’t shaking mine and yeah , it cause md lots of problems . The only way your calcium would get slowly depleted on it’s own is if you have stony corals absorbing it

 

[jackslao]

Hi everyone,

Quick update on my tank...

I got the ICP results back. Looks like few things are at scary high level...

Since I haven't make an effort to bump the kH yet, I am wondering if I should dose soda ash given the numbers (I know marine buffer have Boron)...

Also, any thoughts on how to lower the Sulfur and Boron? I am guessing water change ¯\_(ツ)_/¯ ?

Too High
Ca - 520
Mg - 1511
Sulfur - 1003 (suggested 800)
Boron - 14.4 (suggested 5)

Too Low
Cr - 0 (suggested .8)
Fe - 3 (suggested 20)
Mo - 5.6 (suggested 10)
Ni - .28 (suggested 5)
V - 0 (suggested 1.7)
Zn - 0 (suggested 20)
Po4 - 35 (suggested 300)