Simplified Nighttime CO2 Supply Shutdown When paired with a timer, the sera CO2 solenoid valve allows for automatic and accurate control of CO2 shutdown during the night or at any desired time. This valve is compatible with both existing and new pH-controlled CO2 fertilization systems. Be sure to install a CO2 pressure reducing valve between the sera CO2 solenoid valve and the CO2 gas cylinder.

Intake pipe D.14/17mm in smoke topaz color

EHEIM Float replacement for model 3536

50Hz Impeller for Classic 600

impeller (50 Hz) suitable for classic 350

Floater designed for the professionel 3 models 250/350/600, professionel 3 250T/350T, professionel 3e models 350/450/700, professionel 3e 600T, professionel 4+ models 250/350/600, professionel 4+ 250T/350T, professionel 4e+ 350, and professionel 5e models 350/450/700, professionel 5e 600T.

Artemia Nauplii Cultivation Kit This sera Artemia Breeding Kit includes: 1 sieve for Artemia 1 stopper 1 O-ring for compatibility with larger bottles 1 air hose measuring 2 m (6.6 ft.) 2 standpipes measuring 5/4” - 145 mm (5.7 in.) 1 pack of sera Artemia-Mix weighing 18 g (0.6 oz.)  

Replacement impeller for the classic 150 model

Air Purifier Kit & Felt Wheel compatible with Adjustable Air Pumps 100, 200 & 400.

Adapter set for EHEIM powerLED+ lighting, compatible with T5/T8Designed for use with mounting brackets for fluorescent tubes (T8, T5)Any fluorescent tube available (T8, T5, T5 special length) can be swapped out using the T5/T8 fastening adapter along with the appropriate EHEIM powerLED+ lights.The sockets for fluorescent tubes are specifically for connecting the LED T5/T8 fastening adapter.Power is supplied through the EHEIM powerLED+ mains adapter.

membrane with a swinging anchor designed for airpump 100 (3701), airpump 200 (3702), and airpump 400 (3704)

AQUA MEDIC REPLACEMENT PADS (BLUE/BLACK) FOR MEGA MEG 1 & 2 Dimensions: Model - AM67101: 10 x 7.5 x 0.10 cm Model - AM67103: 15 x 10 x 0.10 cm

EHEIM Adapter Set T5/T8 for classicLED

KW Zone Air Hose Roll With Cord - Green/White Meter High-Quality Silicone Tube Tubing This highly versatile airline is designed to work seamlessly with all air pumps and fittings that feature standard 4mm outlets.

The Shot Extension is a specialized syringe equipped with an extension for targeted feeding of corals and marine invertebrates, as well as for eliminating aiptasia and other unwanted pests. Measuring 29 inches in total, including the syringe, Aqua Medic’s Shot Extension is designed for precision. It includes three replacement tips that allow you to focus the solution on a specific area, enhancing both accuracy and control.

Aqua Medic ReefDoser Dosing Pump - Triple Independent pumps equipped with an integrated controller for precise adjustments. The Aqua Medic ReefDoser is a highly sought-after product that delights every reef enthusiast who encounters it. This device can operate up to four dosing pumps independently. With its integrated controller, you can finely tune the on/off cycle duration for each pump across a wide range of time frames—ranging from seconds per minute to hours each day. The ReefDoser can automate numerous tasks in your aquarium setup: Consistent dispensing of trace elements and fertilizers for both saltwater and freshwater systems Controlled addition of two-part calcium supplements at separate intervals Precise dosing of Kalkwasser in reef aquariums Regular feedings of live phytoplankton and zooplankton Available Models: Reefdoser Twin – features 2 dosing pumps and an integrated controller Reefdoser Triple – includes 3 dosing pumps and an integrated controller

KW Zone Aim Y - Joint - Dimensions: 1.5x1.5x1.5 cm

The MV computer set utilizes the same microprocessor technology as the pH computer set. It features waterproof touch buttons for easy adjustment of desired values and electrode calibration. This MV computer set is perfect for managing anaerobic biological filters like the Nitrate reductor, which operate with negative redox potential, or for regulating the ozone supply in your aquarium, as well as monitoring the redox potential of the aquarium water. All these capabilities stem from the computer's extensive measurement and control range of -500 to +1000 mV. You can configure the control direction to either increase or decrease. The current control direction and output status are clearly displayed via LEDs. A plastic-shafted mV electrode with a BNC connection and calibration fluid comes included.

Aqua Medic ReefDoser Dosing Pump - Triple Experience the convenience of three independent pumps equipped with an integrated controller for accurate adjustments. The Aqua Medic Reefdoser is a highly anticipated device that brings joy to every reef enthusiast who encounters it. This innovative system can operate up to 4 dosing pumps independently. Thanks to the built-in controller, you can finely tune the duration of the on/off cycles for each pump across a wide range of time settings — from seconds per minute to hours per day. The Reefdoser streamlines numerous processes in your aquarium setup: Consistent delivery of trace elements and fertilizers for both saltwater and freshwater environments Controlled supplementation of two-part calcium additives at designated intervals Precise dosing of Kalkwasser for reef aquariums Regular provision of live phytoplankton and zooplankton Available Models: Reefdoser Twin: 2 dosing pumps with integrated controller Reefdoser Triple: 3 dosing pumps with integrated controller

Introducing our high-quality 100 Meter Air Hose, designed for durability and optimal performance. This versatile air hose is perfect for a variety of applications, ensuring you have the flexibility and reliability you need for your projects.