Volume IV – Issue I – Spring 1997

Essentials of Genetics, Part 2: Practice (Today)

Roland Fischer

Translator: William Charlton

A Planted Aquarium for Discus

Jorg Ohliger, Germany

Translator: Paul Ceroke

The Biology and Control of Gill Worms

Dr Gunther Schmahl

Translator: William Charlton

Good and Bad Experiences with Formaldehyde

Discus almost Suffocate after Treatment

Horst Kohler

Translator: Paul Ceroke

Successful use of Formalin with Discus

Stephen Fritsch

Final Discussion

Horst Kohler

Nitrates – How Harmful are they Really?

Horst Kohler, Germany

Translator: William Charlton

Nitrate Recommendations in Aquarium Books

Compiled by: Horst Kohler, Germany

High Nitrate Content – No Problem

Otto Harringer, Austria

Translator: William Charlton

Nitrogen Compounds in Aquarium Water

Horst Kohler

Translator: William Charlton

Chance Spawning in our Discus Community Tank

Wolfgang Thiel and Kerstin Hafemann, Germany

FLASHBACK

Antibiotics Wonder Weapons?

From Reader: Jurgen Singer, Germany

Clever Discus Parents

From: Horst W. Köhler

Good Discus Food – A problem?

From Reader: Thomas Scholz, Germany

Variable Sizes with Discus Larvae

From: Horst W. Köhler

Question and Answers

Why Does the pH in my Aquarium Increase?

From: Bernd Renz, Germany

Answered by: Horst W. Köhler

Danger from Aluminum Components?

From: A. Uhlenbruch, Germany

Answered by: Horst W. Köhler

Volume IV – Issue II – Summer
1997

The “Snakeskin” Discus

Clifford Chan, Singapore

Nitrite and Nitrate in the Aquarium

Horst Kohler and Paul Ceroke

Experiences with Dianol against the “Discus Plague”

Michael Dobelmann, Germany

No Fear of Asian Imports

Ralf Schnackertz

Translator: William Charlton

You will not be able to give them up again

Detlef Puzicha, Germany

Translator: William Charlton

The pH Value Falls Inexorably – What should
I do?

Hanns-J. Krause

Translator: William Charlton

Discus in Absentia

Hans Jurgen Klute, Germany

Another New Attendance Record for Aqua-Fisch in Germany

Press Release by: Christian Homrighausen, Biologist, Zoo Zajac,
Germany

Japan Connection

An Innovative Breeder – Cheung Wai Shing

Johnny Yip

FLASHBACK

Essentials of Genetics, Part 2

From Reader: Bodo Strohlein, Germany

Suitability of Zeolite as a Filter Material

From: Detlef-Ehrhardt, Germany

Metasorb as an alternative to Zeolite

From Reader: Matthias Ekstein, Germany

“Pigeon Blood” Fry Raised by Parents

Better Discus in Aquarium Shops

From: David Lass, Nahant, MA USA

Catfish in the Discus Aquarium

From: Martin Deitzer, Germany

Biology and Control of Gill Worms

From: Horst Köhler, Germany

Gravel Consumption by Discus

From: Elmar Rothenbusch, Germany

Question and Answers

Are any fish diseases transferable to humans?

From: Christiane Witt, Germany

Answered by: Dr. Petra Kolle and Prof. Dr. Rudolf Hoffman

The Asian Circuit

From: Manfred Rehrmann, Germany

Answered by: Horst W. Köhler

Volume IV – Issue III – Fall 1997

To Judge, or Just Exhibit?

Thomas Scholz, Germany

Translator: William Charlton

Care of Wild-Caught Discus

Matthias Ekstein, Germany

Translator: William Charlton

Aquarama ’97

Phang Teik Beng

Translator: William Charlton

Concept to Market – New Fish Food Development

Translator: Paul Ceroke

Readers Respond:

Allowable Nitrate Concentrations

Translator: Paul Ceroke

Malaysia Discus Success After All

Hans Kerschgens, Germany

Translator: William Charlton

Wild ‘Red Spotted Blue’ Discus

Nick Edmunds

FLASHBACK

Germany’s Waters – Polluted?

From: Jurgen Singer, Germany

Gravel Eating – Issue 2/97

From: Lucie Schoenenberger, Switzerland

Hole-in-the-Head

From: Martin Heitzer, Germany

Resonse from: Horst W. Kohler

Metronidazol vs Tape Worms?

From: Uwe Meinert, Germany

For Whom Are All These Discus? – Issue 2/97

From: Manfred Rehrmann, Germany

Market Forces at Play With Discus

From: Nick Edmonds

Question and Answers

Problems after the installation of a biological
filter

From: Gerhard Bihle, Germany

Answered by: Hanns J. Krause, Germany

How to proceed with renovation in the aquarium room?

From: Karin Hambeck, Sulzbach-Rosenberg

Answered by: Horst W. Köhler

Volume IV – Issue IV – Winter
1997

From the Executive Editor’s Desk:

To continue with DBI or not?

Augsburg, Germany, February 1998
Horst W. Köhler

Dear Readers

Curt Kafer
US Associate Publisher

The Discus Fan

Fritz Hermann Raabe, Germany

Translator: William Charlton

Sex Determination in Discus

Dr. Med. Vet. Hans Joachim Schulze

Translator: William Charlton

Nitrate Content in Rearing Tanks

Barbara Bremer and Friedhelm Schulten

Translator: William Charlton

Holes in the Head

Causes and Possible Treatments of HITH

Roland Fischer

Translator: William Charlton

Antibiotic Treatment of “Discus Plague”

Michael Dobelmann

Translator: Paul Ceroke

Experiences with “Pigeon Blood” Discus

Maik Hoffmann

Discus in an Aquarium Shop

Richard Muller and Ulrike Mahlig

FLASHBACK

Instructions for Discus Breeding, Desires and Reality

• A readers response
  From Reader: Jens Marquardt, Germany
• Reality in the View of the Author

Question and Answers

Sexually Mature Fish but Incompatible, What Now?

From: Fabio Pelliciardi, Italy

Answered by: Horst W. Köhler

Why do so few fry hatch?

From: Bruno Barilli and Reggio, Italy

Answered by: Horst W. Köhler

Gas burning heater causing Nervous Discus?

Answered by: Horst W. Köhler