Aquarium Test Kits & pH / pH Up & pH Down Liquids and Powders

Item # APH19

API pH Down 37mL

• pH is the measure of acidic or alkaline conditions of water.  A value of 7.0 corresponds to a neutral pH.  pH values about 7.0 are considered alkaline, and pH values below 7.0 are ...

Item # APH161

API pH Down 118mL

API pH DOWN is a reliable solution for reducing high pH in freshwater aquariums, especially in areas where tap water is naturally alkaline. Fish waste, uneaten food, and mineral‑rich water ca ...More info...

Item # APH19a

API pH Down 473mL

API pH DOWN is a reliable solution for reducing high pH in freshwater aquariums, especially in areas where tap water is naturally alkaline. Fish waste, uneaten food, and mineral‑rich water ca ...More info...

Item # APH18

API pH Up 37mL

• pH is the measure of acidic or alkaline conditions of water.  A value of 7.0 corresponds to a neutral pH.  pH values about 7.0 are considered alkaline, and pH values below 7.0 ...

Item # APH160

API pH Up 118mL

API pH Up is a fast‑acting, colourless aquarium pH adjuster that safely raises pH and makes freshwater more alkaline, helping fish thrive in the correct water conditions. It’s phosphate‑ ...More info...

Item # APH18a

API pH Up 473mL

API pH Up is a fast‑acting, colourless aquarium pH adjuster that safely raises pH and makes freshwater more alkaline, helping fish thrive in the correct water conditions. It’s phosphateR ...More info...

Item # APH162

API Proper pH 6.5 powder 240g

• Note: Not for use in aquariums containing live plants
• Sets and holds pH to 6.5
• Resists pH rebound
• Removes Chlorine and neutralises ...

Item # APH163

API Proper pH 7.0 powder 250g

• Note: Not for use in aquariums containing live plants
• Sets and holds pH to 7.0
• Resists pH rebound
• Removes Chlorine and neutralises ...

Item # APH164

API Proper pH 7.5 powder 260g

• Note: Not for use in aquariums containing live plants
• Sets and holds pH to 7.5
• Resists pH rebound
• Removes Chlorine and neutralises ...

Item # APH169

API Proper pH 8.2 powder 200g

• Increases carbonate hardness (KH) to hold (or buffer) pH to 8.2
• Resists pH rebound
• Perfect for all saltwater, brackish and African Cichlid aquariums 
• Use: ...

Item # APH23

API Freshwater pH Test and Adjuster Kit

• Reads pH 6.0-7.6
• 3 bottle kit
• Monitor and adjust pH to maintain healthy freshwater conditions
• Fish require a specific pH level to thrive.  However, pH in an ...

Item # TKP602

Aquasonic Carbonate Hardness Generator 2.5kg

Carbonate Hardness (kH) Generator provides a spectrum of kH generators acting to increase the carbonate hardness level in water and provides a more stable pH for longer.

• Dose Rate: 4g ...

Item # TKP608

Aquasonic Carbonate Hardness Generator 15kg

Carbonate Hardness (kH) Generator provides a spectrum of kH generators acting to increase the carbonate hardness level in water and provides a more stable pH for longer.

• Dose Rate: 4g ...

Item # BTRX0300

Biotope Tropical KH Balance 300g

• All Biotope balance pH stabilisers are totally free from phosphates and will not encourage algae growth
• Biotope Balance maintains a constant pH in the aquarium by neutralising harmful ...

Item # BACX0300

Biotope KH Balance for African Cichlid 300g

• All Biotope balance pH stabilisers are totally free from phosphates and will not encourage algae growth
• Biotope Balance maintains a constant pH in the aquarium by neutralising harmful ...

Item # BGFX0300

Biotope KH Balance for Goldfish and Koi 300g

• All Biotope balance pH stabilisers are totally free from phosphates and will not encourage algae growth
• Biotope Balance maintains a constant pH in the aquarium by neutralising harmful ...

Item # BGFX1500

Biotope KH Balance for Goldfish and Koi 1.5kg

• All Biotope balance pH stabilisers are totally free from phosphates and will not encourage algae growth
• Biotope Balance maintains a constant pH in the aquarium by neutralising harmful ...

Item # pHCal2

pH Test Meter Calibration Solution Powder 4.01/6.86

• Powder in a sealed packet so no "shelf life"
• Contents will make up to 250ml each
• Just add water or distilled water. 
• Be used for Calibration of pH ...

Item # pHCal3

pH Test Meter Calibration Solution Powder 4.01/6.86/9.18

• Powder in a sealed packet so no "shelf life"
• Contents will make up to 250ml each
• Just add water or distilled water. 
• Be used for Calibration of pH ...

Item # TK506

Aquasonic pH Down Powder 120g

• pH-Down is for reducing alkalinity.
• It is made from high grade chemicals and works instantly.
• Re-adjustment can be made within 15 minutes, provided proper circulation is ...

Item # TK517

Aquasonic pH Down Powder 500g

• pH-Down is for reducing alkalinity.
• It is made from high grade chemicals and works instantly.
• Re-adjustment can be made within 15 minutes, provided proper circulation is ...

Item # TK510B

Aquasonic pH Down Powder 10kg

• pH-Down is for reducing alkalinity.
• It is made from high grade chemicals and works instantly.
• Re-adjustment can be made within 15 minutes, provided proper circulation is ...

Item # TK505

Aquasonic pH Up Powder 120g

• Aquasonic pH-Up is for reducing acidity.
• It is made up from high grade chemicals and works instantly.
• Re-adjustment can be made within 15 minutes, provided proper circulation ...

Item # TK507

Aquasonic pH Up Powder 250g

• Aquasonic pH-Up is for reducing acidity.
• It is made up from high grade chemicals and works instantly.
• Re-adjustment can be made within 15 minutes, provided proper circulation ...

Item # TK513

Aquasonic pH Up Powder 500g

• Aquasonic pH-Up is for reducing acidity.
• It is made up from high grade chemicals and works instantly.
• Re-adjustment can be made within 15 minutes, provided proper circulation ...

Item # TK514

Aquasonic pH Up Powder 15kg

• Aquasonic pH-Up is for reducing acidity.
• It is made up from high grade chemicals and works instantly.
• Re-adjustment can be made within 15 minutes, provided proper circulation ...