Best Jbl M502 Co2 Set 2026

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Last Updated - 22.07.2026

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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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

399,00 €
02

JBL -

JBL - CO2 Advanced Set U CO2 Fertiliser Complete Set

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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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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)

259,18 €
Value for Money

03

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

31% Off

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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

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

159,50 € 229,50 €(31% Off off)
04

JBL

JBL PROFLORA CO2 Advanced Set M, CO2 Fertiliser System Complete Set for 40-600 L, with Night Shut-Off, 2 Pressure Gauges, Reusable 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 M, incl. 500 g bottle, holder, pressure regulator/solenoid valve, hose, bubble counter/valve, reactor, CO2 test, fertiliser, item no. 6462100

257,90 €
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

161,95 €
06

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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9.1

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

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

187,06 €
07

JBL

JBL PROFLORA CO2 Basic Set V

21% Off

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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

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

84,26 € 106,50 €(21% Off off)
08

JBL

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

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8.8

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

68,79 €
09

JBL

JBL ProFlora u500 Disposable CO2 Cylinder 3 x 500g

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8.5

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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Set of 3 replacement CO2 bottles for JBL Proflora U401, U402 and U403 kits. Non-refillable CO2 disposable bottle

74,50 €
10

JBL

JBL ProFlora Co2 Cylinder 2000 M
8.2

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

161,61 €