Best Jbl M502 Co2 Set 2026

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Last Updated - 03.02.2026

Best Choice

01

JBL

JBL PROFLORA CO2 Professional Set M, CO2 Fertiliser System Complete Set for 40-600 L, with Automatic CO2 and pH Control, Reusable Bottle and Extensive Accessories

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9.7

Exceptional

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Main highlights

Professional complete set for optimal CO2 supply of aquarium plants in 40-600 l freshwater aquariums, healthy and strong plant growth
Easy installation by screwing the pressure regulator onto the bottle, connecting the hose to the bubble counter and reactor and finally starting the controller
Check valve to protect the bottle from water ingress, pH electrode not included
CO2/pH controller for measuring the pH value via a pH electrode (not included) and automatic control of the CO2 supply
Box contents: 1x JBL CO2 fertiliser complete set, JBL PROFLORA CO2 professional set M, incl. 500 g bottle, holder, pressure regulator, solenoid valve, CO2 computer, hose, bubble counter/valve, reactor, fertiliser, item no. 6462200

408,00 €
02

JBL

JBL PROFLORA CO2 Professional Set V, CO2 Fertiliser System Complete Set for 40-600 L, with Automatic CO2 and pH Control and Extensive Accessories, Without CO2 Bottle

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9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Professional set for optimal CO2 supply of aquarium plants in 40-600 l freshwater aquariums, healthy and strong plant growth
Easy installation by screwing the pressure regulator onto the bottle, connecting the hose to the bubble counter and reactor and finally starting the controller
Check valve to protect the bottle from water ingress, CO2 bottle and pH electrode not included
CO2/pH controller for measuring the pH value via a pH electrode (not included) and automatic control of the CO2 supply
Box contents: 1x JBL CO2 fertiliser complete set, JBL PROFLORA CO2 Professional Set V, including pressure regulator, 2 pressure gauges, solenoid valve, CO2 computer, hose, bubble counter check valve, reactor, fertiliser, item no. 6464200

333,68 €
03

JBL

JBL Proflora CO2 Advanced Organic Set, Organic CO2 Fertiliser Set for 40-110 L, with Extensive Accessories

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9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

No CO2 pressure bottle required, works exclusively via a biological process
High yield, 2 x 40 days CO2 production thanks to immediate and long-term buffer system, organic components also available individually as a refill
Easy to install by mixing organic components and water in the reaction bottle and then connecting the hose to the backflow protection and the reactor
Box contents: 1 x JBL organic CO2 fertiliser system, JBL Proflora CO2 Advanced Organic Set, incl. reaction vessel, thermal protection, 2 x organic components, 3 m CO2 hose, suction holder, return protection, diffuser, item no. 6461200
Advanced set for CO2 supply of aquarium plants in 40-110 litres freshwater aquariums, healthy and strong plant growth, preventive against algae

34,99 €
Value for Money

04

JBL

JBL PROFLORA CO2 Advanced Set U, CO2 Fertiliser System Complete Set for 40-600 L, with Night Shut-Off, 2 Pressure Gauges, Disposable Bottle and Extensive Accessories

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9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

TÜV-tested CO2 bottle, hose fittings for added safety, check valve to protect the bottle from water ingress
Ready-to-connect complete set for CO2 supply of aquarium plants in 40-600 l freshwater aquariums, healthy and strong plant growth
Included CO2/Poh permanent test to display the CO2 contentration in aquarium water for readjustment if necessary
Easy installation by screwing the pressure regulator onto the bottle, then connecting the hose to the bubble counter and diffuser and adjusting the bubbles
Box contents: 1x JBL CO2 fertiliser complete set, JBL Proflora CO2 Advanced Set U, incl. 500 g bottle, pressure regulator, solenoid valve, hose, bubble counter check valve, reactor, CO2 test, fertiliser, item no. 6463100

188,03 €
05

JBL

JBL PROFLORA CO2 Basic Set M, CO2 Fertiliser System Complete Set for 40-300 L, with Reusable Bottle and Extensive Accessories

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9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

TÜV-tested CO2 bottle, hose fittings for added safety, check valve to protect the bottle from water ingress
Ready-to-connect complete set for CO2 supply of aquarium plants in 40-300 l freshwater aquariums, healthy and strong plant growth
Included CO2/Poh permanent test to display the CO2 contentration in aquarium water for readjustment if necessary
Easy installation by screwing the pressure regulator onto the bottle, then connecting the hose to the bubble counter and diffuser and adjusting the bubbles
Box contents: 1x JBL CO2 fertiliser complete set, JBL Proflora CO2 Basic Set M, incl. 500 g CO2 bottle, pressure regulator, hose, bubble counter check valve, diffuser, CO2 continuous test, fertiliser, item no. 6462000

153,76 €
06

JBL

JBL PROFLORA CO2 Advanced Set V, CO2 Fertiliser System Complete Set for 40-600 L, with Night Shut-Off, 2 Pressure Gauges and Extensive Accessories, Bottle Not Included

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Ready-to-connect complete set without bottle for CO2 supply of aquarium plants in 40-600 l freshwater aquariums, healthy and strong plant growth
Included CO2/pH permanent test to display the CO2 concentration in aquarium water for readjustment if necessary
Hose fittings for added safety, check valve to protect the bottle from water ingress
Easy installation by screwing the pressure regulator onto the bottle (not included), then connecting the hose to the bubble counter and diffuser and adjusting the bubbles
Box contents: 1x JBL CO2 fertiliser complete set, JBL Proflora CO2 Advanced Set V, incl. holder, pressure regulator/solenoid valve, hose, bubble counter/valve, reactor, CO2 test, fertiliser, item no. 6464100

163,75 €
07

JBL -

JBL - CO2 Advanced Set U CO2 Fertiliser Complete Set

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Set up, program feeding times and quantities (10 levels), fill with food and set ejection distance to 0.5 or 1.0 m. Manual feeding possible
JBL Propond Autofood Automatic Feeder for Koi and Pond Fish
If you purchase 5 items, we will send free of charge
Feeds your pond fish independently, with the exact desired amount of food, reliably up to 24 x daily (e.g. for young fish)

254,20 €
08

JBL

JBL PROFLORA CO2 Basic Set V

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28% Off
8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Ready-to-connect complete set without bottle for CO2 supply of aquarium plants in 40-300 l freshwater aquariums, healthy and strong plant growth
Included CO2/pH permanent test to display the CO2 concentration in aquarium water for readjustment if necessary
Hose fittings for added safety, check valve to protect the bottle from water ingress
Easy installation by screwing the pressure regulator onto the bottle (not included), then connecting the hose to the bubble counter and diffuser and adjusting the bubbles
Box contents: 1x JBL CO2 fertiliser complete set, JBL Proflora CO2 Basic Set V, incl. pressure regulator, 3 m hose, bubble counter/valve, diffuser, CO2 continuous test, item 6464000

76,53 € 106,50 €(28% Off off)
09

JBL

JBL PROFLORA CO2 Cylinder 500 U 3 x 500 g CO2 Disposable Storage Bottle (Pack of 3)

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

TÜV approved. As CO2 liquefies under pressure, CO2 compressed gas cylinders must be vertically in operation
Includes mounted rubber base for secure stand. Total height with mounted pressure regulator: 37 cm
Easy installation: turn pressure control fitting with internal thread to the external thread (M10x1) of the storage bottles
CO2 storage bottles for all CO2 systems. Provide aquarium plants with their main nutrient carbon dioxide (CO2) and thus prevent algae
Box contents: 3 x disposable bottles, ready filled with 500 g CO2, dimensions: 31 x 7.5 cm, thread M10 x 1
Age Range Description: Adult

66,79 €
10

JBL

JBL ProFlora Co2 Cylinder 2000 M
8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

153,37 €