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*** Clearance Items ***
*** New Products ***
Bulk Aquarium Supplies
- Fish Food
- Filter Media
- Substrates, Gravel & Sand
- Water Conditioner & Treatments
Betta Fish Supplies
Planted Aquaria Supplies
- Aquarium CO2 Equipment
- Soils, Fertilisers & Other Accessories
Shrimp Supplies
Turtle and Reptile Supplies
Bird Supplies
Cat Supplies
Dog Supplies
Spare Parts
- AquaClear parts
- Aqua Nova parts
- Aqua Pro Canister parts
- Aqua Zonic parts
- BiOrb parts
- Elite and Marina parts
- Fluval parts
- Hailea parts
- Jebo parts
- Juwel parts
- Laguna parts
- Ocean Free parts
- Other parts
- PetWorx Spare Parts
- SunSun Spare Parts
- Teco parts
Aquarium & Fish Tanks
- Aquarium Furniture
- Polycarbonate and Curved Glass Tanks
- Custom Glass Aquariums
- Fluval Aquariums
- Glass Fish Bowls
- Goldfish, Betta and Theme Aquariums
- Juwel Aquariums
- Mr Aqua, Komoda and Aqua-world Aquariums
- Standard Glass Aquariums
- Nano Tanks
Aquarium Accessories...
- Aquarium Breeding Traps & Containers
- Aquarium Backgrounds
- Aquarium Fish Nets
- Aquarium Hardware
- Fish Feeders & Holiday Blocks
- Glues, Sealants and Silicone
- Other
Aquarium Air Pumps...
- Fluval & Marina air pump
- Hailea air compressor
- Hailea air pump
- High volume Air Pump
- Precision Air Pump
Aquarium Air Stones & Valves...
- Air Stones
- Airline Tubing, Valves & Air Kits
Aquarium Cleaning & Maintenance...
- Gravel Cleaners
- Magnet Cleaners & Tongs
- Scrapers, Brushes & Glass Cleaners
Aquarium Filters...
- Air Driven & Sponge filter
- Canister & External filter
- Fluval filter
- Hang On filter
- Internal Power filter
- Undergravel filter
Aquarium Filter Media...
- AquaClear filter media
- Bioscape filter pads
- Aqua Nova filter media
- Dynaflo cartridges
- Elite filter media
- Fluval filter media
- Hailea filter media
- Hunky Dory Media
- Jebo filter media
- Juwel filter media
- Marina filter media
- Ocean Free filter media
- Orca filter media
- Poly-Filter Pad and Other filter media
Filter Media by type...
- Carbon filter media
- Foam filter media
- Ceramic Rings/Noodles filter media
- Polywool filter media
- Bulk filter media
Fish Food by type...
- Betta fish food
- Bottom feeder food
- Bulk fish food
- Cichlid fish food
- Discus fish food
- Fry & Baby fish food
- Goldfish food
- Marine fish food
- Tropical fish food
- Turtle food
- Vacation & Holiday Food
Fish Food by brand...
- API (Aquarium Pharmaceuticals) fish food
- Fluval fish food
- Hai Feng fish food
- Hikari fish food
- Vitalis (New Era) fish food
- NLS (New Life Spectrum) fish food
- Nutrafin fish food
- Ocean Free fish food
- Orca fish food
- Pro's Choice fish food
- Todays fish food
Aquarium Fish Medication...
- Antibiotic medication
- Broadspectrum medication
- Fungus & Finrot medication
- Parasite medication
- Stress medication
- White Spot medication
Aquarium Heaters and Accessories...
- Aqua Zonic heater
- Bio Scape heater
- Juwel heater
- Exo Terra heater
- Fluval heater
- Marina heater
- Other heaters & accessories
- Thermometers, & Hydrometers
Aquarium Lights & Tubes...
- Juwel Lights & Reflectors
- LED Lights
- Other Light Units
- T5 Light Units
- T5 Light Bulbs
- T8 Light Units
- T8 Light Bulbs
- PL and other Light bulbs
- UV Light bulbs
Aquarium Ornaments/Decor...
- Air Bubbler Ornaments
- Artificial Coral & Resin Rock Ornaments
- Breeding and Spawning
- Castles, Bridges & Famous Places Ornaments
- Log & Wood Ornaments
- Natural Driftwood & Mangrove Root Wood
- Stone & Natural Rock Decorations
- Novelty, Movie & Character Ornaments
- Plant decorations
- Shipwreck & Ocean decorations
- Sea Shells, Starfish & Barnacles
Aquarium Gravel, Sand and Substrates
- Fish Tank Gravel, Rocks & Sand
- Natural Gravels & Sand
- Painted and Coloured Substrates
Aquarium Plants...
- Aquarium Silk Plants
- Extra Large Plants
- Fluorescent Aquarium Plants
- Large Plants
- Medium Plants
- Plant Mats & Moss
- Small Plants
Aquarium Powerheads & Pond Pumps
Aquarium Test Kit & pH...
- Ammonia test kits
- Hardness (GH/KH) test kits
- Master test kits
- Nitrate test kits
- Nitrite test kits
- Other, Pond & Marine test kits
- pH Test Kits
- pH Up & pH Down
Aquarium Water Conditioners...
- Aquarium Pharmaceuticals
- Aquasonic
- Biotope
- Blocks
- Fluval
- Nutrafin
Aquarium Water Treatments...
- Algae treatment
- Ammonia and Nitrate treatment
- Betta fish treatment
- Biological treatment
- Black water extracts
- Bulk water treatment
- Cichlid treatment
- Clarifiers
- Goldfish treatment
- Phosphate treatment
- Plant treatment
- Pond water treatment
- Salt
- Stress treatment
- Tap water conditioner
- Tropical fish treatment
- UV Sterilisers
- Waste treatment
Marine & Reef Aquarium Products...
- Aquariums
- Coral and Invertebrate Food
- Fish Food
- UV Sterilizers, Aquarium Chillers & Protein Skimmers
- Marine Salt
- Marine Coral Supplements and Additives
- Sumps
- Wave Makers and Sump Pumps
Ponds and Outdoor Equipment
- Pond Air Pumps
- Pond Cleaners & Accessories
- Ponds & Filters
- Pond Lights & Feeders
- Pond Water Pumps
- Pond UV Sterilisers
- Pond Water Treatments & Test Kits
- Rock, Stone and Outdoor Panels

Planted aquaria supplies and equipment / CO2 Systems, refills and diffusers / CO2 Drop Checker Hook Type

CO2 Drop Checker Hook Type

Item # TS-CO2/3

Description:

*** Does not include 4 DKH solution ***

Features

AU$6.95

Other sizes/types

AU$6.95

Buy Now

CO2 Drop Checker Glass Stick-on Style
with Suction Cup *** Does not include 4 DKH solution ***

AU$6.95

Buy Now

CO2 Drop Checker Hang On Type
*** Does not include 4 DKH solution ***

AU$8.90

Out of stock

CO2 Level Indicator Reagent Liquid Refill 15mL

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