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Clear dropchecker

Westyggx

Member
Joined
11 Sep 2010
Messages
1,494
Location
Manchester, UK
Hi all,

Just started using a dropchecker again, 3ml 4dkh and 5 drops of brohythmol blue and the drop checker is clear?

Any ideas?

Thanks,
 
Yes, i bought it from Co2 art. It says it specifically needed 4dKH water (which i had from APF for some time)
 
I bought the drop checker kit from co2art along with all the other bits I needed for fe co2 so I'll be interested to know the answer to this one. Waiting on plants to arrive before i rig it all up.

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Did I imagine reading something about if using a PH test kit in a drop checker that it needs to be either low or high range, one or the other. I cant remember.
 
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