Help with alk

[Reo2140]

I been battling with my tank my phosphate drop to 0 and had problems. Now my problem is my alk is low at 6.0 I’m going to do a water change tomorrow . I been dosing kalk also. And my calcium is at 505 please can someone help me out

 

[dakoop]

What size tank?
What brand test kit?
How much kalk are you dosing?

 

[TheGrimReeferTx]

How old is the tank? I assume it has corals also?

Should do a larger water change, and does something like sodium bicarbanate or soda ash.

I would be less worried about the zero phosphates because if you are feeding, some are entering the system naturally. Hold long ago was the last time you tested?

Interested to see what other advice is offered here.

 

[Reo2140]

What size tank?
What brand test kit?
How much kalk are you dosing?

My tank is 125 gallons
The test kit is Hanna calcium checker
I’m dose 5-10 ml but I stop yesterday

 

[Reo2140]

How old is the tank? I assume it has corals also?

Should do a larger water change, and does something like sodium bicarbanate or soda ash.

I would be less worried about the zero phosphates because if you are feeding, some are entering the system naturally. Hold long ago was the last time you tested?

Interested to see what other advice is offered here.

My tank is bout 6 months old I upgraded from a 90 to 125 . I test at 8 pm

 

[TheGrimReeferTx]

My tank is bout 6 months old I upgraded from a 90 to 125 . I test at 8 pm

It dropped from 8 dkh to 6dkh in 1 day?

 

[Reo2140]

It dropped from 8 dkh to 6dkh in 1 day?

No a week ago it was at 8 then middle of the week I check my perameters and it was at 6.8 so I did a another water change it went to 7.3 then today I checked again n it was at 6.0

 

[Randy Holmes-Farley Verified Community Expert]

5-10 mL of kalkwasser is useless.

You need to dose 1 gallon per day to add 1 dKH to 125 gallons of tank water.

 

[Randy Holmes-Farley Verified Community Expert]

Don't worry about the calcium level when using kalkwasser. Yours is fine for now.

 

[Uncle99]

Ensure your MG is in the 1350-1400ppm range or you may get some wandering Alk test results.

The Hanna CA checker I’ve had no luck with. Always higher than expected and wandering results.

 

[Reo2140]

5-10 mL of kalkwasser is useless.

You need to dose 1 gallon per day to add 1 dKH to 125 gallons of tank water.

So my question to you is should I keep dosing kalk ?or should I stop or dose more?

 

[Randy Holmes-Farley Verified Community Expert]

If alk is lower than you want, then add more.