Anyone have a KH director from GHL?

Mines with doser. Going to test twice a day one in morning and one at night. The 500ml should last months according to ghl.


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Mines with doser. Going to test twice a day one in morning and one at night. The 500ml should last months according to ghl.


Sent from my iPhone using Tapatalk Pro

What's the best price you found?
Also u running a cal reactor or two part?
 
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