14/04/07 Update
To read the Dutch sites in English, use This and type in the url.
Schema´s pH Controllers, Conducto- and Redoxmeter
Coloriemeter - English
Picture Coloriemeter - Prototypes
Many construction/explanation/schematics linken Colorimeters Many English Sites
!! NEW !! Cooling Solution For (Small) Aquariums? - 25/07/06
!! NEW !! - Link "Free" ballasts for smaller fluorescent bulbs - English 25/04/06
!! NEW !! - Link Poor Mans Auto Dosing - English 25/04/06
Another simply DIY dosing pump It doses more than once 1 ml/day 17/07/04
DIY dosing pump It doses once 1 ml/day Pictures 01/01/04
The last one Simply DIY Dosifier simply and easy to build NEW 25/12/04
!! NEW !! - Link A cheap way to get filtration, water circulation, CO2 injection and heating - English 25/04/06
!! NEW !! - Link Cheap Complete Dimming TL 5 or TL 8 Controller - English 25/02/06
!!Software, manual and web pages for the light dimmer now also available in English
!! NEW !! - Link DIY Aquarium Controller - English 05/02/06
Schematic PH Controller - uS - Redox - Update 26/07/06
CCFL Moonlight or Dimming
Dimming/Moonlight TL Using CCFL Inverter 20/09/04
FAQ | Repair Know How - How to handle a CCFL - How to handle inverters 09/10/04
DIY DIMMING TL 5 or TL 8, Schematic/PCB !! NEW !! - (many images)
Info, Picture dimming/reduction TL Lamps
Part 1 DIY, (Many Pictures) Another DIMMING TL 5 or TL 8, But Easier Way, (many images)
Part 2 DIY, Pictures Another The Same But Easier Way, TL- 5 or TL- 8 (many images)
DIY, Dimmer TL-5 or TL-8 Control (Microcontroller) English 21/09/04
DIY, TL Dim/Slope 0 - 10 Volt English
Good
Dutch Aquarium Site English