Download your free copy today.

This issue features the following articles:

• Red Slime, a pest common to the reefkeeping hobby is covered.
• Dr. Jessica Drake takes a look at the weird world of the upside-down catfishes from the genus Synodontis.
• The French Grunt is profiled, covering its care and keeping.
• Editor Dr. David Midgley presents the fifth installment of the series ‘First time at sea’, this time covering Deep Sand Bed (DSB) filters and a recent addition to his kit, an automated water top up unit.
• Aaron Sewell covers the major, minor and trace elements in a detailed piece on water chemistry.