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GHL 2.1 Dosers for sale.

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HotRocks

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I am tearing down one of my tanks. I have for sale two 4 head GHL dosers. They are in great shape. One is the SA (Stand Alone) unit. The other is a Slave that requires a SA Doser or GHL controller to operate. I primarily used heads 1 and 2 for calcium and Alk on a regular basis the rest were all supplements and rarely used.

I would prefer to sell as a package but I understand not everyone needs 8 heads.
Package deal both units $600 shipped.

If sold separately:
SA $360 shipped
Slave $260 shipped
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HotRocks

HotRocks

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I have sold the slave but the SA is still available.
 

Hoang Nguyen

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I’m interested in the stand alone doser if still available
 
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