Kalkwasser Stirrer 1000 for aquariums up to 400 gallons
Simple and reliable way to add kalkwasser to your aquarium
Kalkwasser might be old-school but these uniquely "revolutionary" stirrers bring the legendary calcium and alkalinity solution into the new millenn...
The live help is excellent by the way. Will re-use your shop again as I found you to be very helpful.