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	Step 8 of Koivet's 20 Step Diagnostic: Oxygen! (Dr. Erik Johnson) View
	Step 15 in Koivet's 20 Step Fish Illness Diagnostic: Fungus (Dr. Erik Johnson) View
	Step 11 in Dr Johnson's 20 Step Diagnostic for Fish Illness (Dr. Erik Johnson) View
	Step 4: Koivet's Twenty Step Diagnostic Fish Symptoms and Cure (Dr. Erik Johnson) View
	Step Nine of Koivet's Sick Fish Diagnostic: You've Got WHAT! (Dr. Erik Johnson) View
	Step Five of Koivet's 20 Step Diagnostic Fish Symptoms and Illnesses (Dr. Erik Johnson) View
	Step 19 of Dr Johnson's 20 Step Fish Disease Assessment: Q Tanks (Dr. Erik Johnson) View
	Step 7 of Koivet's Twenty step fish illness diagnostic: A Crucial Test (Dr. Erik Johnson) View
	Step 13 in Koivet's Twenty Step Fish Illness Diagnostic (Dr. Erik Johnson) View
	Step Ten of Koivet's Sick Fish Diagnostic: Water Movement (Dr. Erik Johnson) View