Help Can I use a kit like this to test my SN?

[cowboypants]

Instead of the ph strip type, this looks much simpler

 

[EyesOfNight]

Yes, absolutely. Those kits are more reliable than test strips. You still have to dilute the SN to reach a certain concentration.

 

[Heyyy]

Can I use these?

 

[cowboypants]

Yes, absolutely. Those kits are more reliable than test strips. You still have to dilute the SN to reach a certain concentration.

Thanks I will figure the ratio then