UGF Box Growth Formula Alder cones are the catkins

Alder cones are the catkins of black alder trees (Alnus glutinosa)

The highest grade specimens achieve a solid blue shrimp that eliminates or greatly diminishes the Caridina Tiger striping

encrusting manzanita

3850 l of aquarium water) 3000 g  (sufficient for approx

UGF Box Growth Formula Alder cones are the catkinsUGF BOX The Asian style Undergravel Filter Box is a unique way to filter your shrimp tank. It works by pulling water slowly through the media to the bottom of the box and pushing it out the tube at the top. This allows for a large amount of media to be used, and due to the water slowly passing through it ensure that the media or soil always stays oxygenated and that no dead spots occur. * Effective at buffering pH: Undergravel box filters can help to