Skip to content
We'll be closed this week, reopening Friday 10th Oct. Order delays will occur. Take 10% off with code VIP10. Minimum spend $50. Ts & Cs apply.
We'll be closed this week, reopening Friday 10th Oct. Order delays will occur. Take 10% off with code VIP10. Minimum spend $50. Ts & Cs apply.

Aquarium Water Tests & Kits


Fritz Liquid Test Kit - Copper Cu+

Original price $36.95 - Original price $36.95
Original price
$36.95
$36.95 - $36.95
Current price $36.95
2 in stock.

Copper is commonly used in aquariums to treat external parasitic infections, like Ich and velvet. It is crucial to closely monitor copper used in a...

View full details
Original price $36.95 - Original price $36.95
Original price
$36.95
$36.95 - $36.95
Current price $36.95

Fritz Liquid Test Kit - Calcium Ca2+

Original price $37.95 - Original price $37.95
Original price
$37.95
$37.95 - $37.95
Current price $37.95
1 in stock.

Calcium (Ca2+) is vital to many biological functions. In saltwater aquariums, calcium should remain in the proper ionic balance along with alkalin...

View full details
Original price $37.95 - Original price $37.95
Original price
$37.95
$37.95 - $37.95
Current price $37.95

Fritz Liquid Test Kit - Ammonia NH3 / NH4

Original price $37.95 - Original price $37.95
Original price
$37.95
$37.95 - $37.95
Current price $37.95
2 in stock.

Ammonia is one of the most important parameters to monitor in aquariums because any amount can be toxic to livestock if it is not addressed right ...

View full details
Original price $37.95 - Original price $37.95
Original price
$37.95
$37.95 - $37.95
Current price $37.95

Fritz Liquid Test Kit - Alkalinity KH

Original price $36.95 - Original price $36.95
Original price
$36.95
$36.95 - $36.95
Current price $36.95
2 in stock.

Carbonate hardness, or alkalinity (KH), is the measure of both carbonates and bicarbonates present in the water. The KH value of your water is imp...

View full details
Original price $36.95 - Original price $36.95
Original price
$36.95
$36.95 - $36.95
Current price $36.95

Dalua CO2 Indicator Refill Solution 15ml

Original price $8.95 - Original price $8.95
Original price
$8.95
$8.95 - $8.95
Current price $8.95
4 in stock.

CO2 Indicator Refill Solution 15ml

Original price $8.95 - Original price $8.95
Original price
$8.95
$8.95 - $8.95
Current price $8.95

Dymax Ph Buffer 4.0 150ml

Original price $31.95 - Original price $31.95
Original price
$31.95
$31.95 - $31.95
Current price $31.95
2 in stock.

Dymax PH Buffer 4.0 is a certified traceable to NIST standard reference material for PH meter calibration.

Original price $31.95 - Original price $31.95
Original price
$31.95
$31.95 - $31.95
Current price $31.95

GHL PL-Cali1.41mS Calibration Fluid (PL-0059)

Original price $29.95 - Original price $29.95
Original price
$29.95
$29.95 - $29.95
Current price $29.95
1 in stock.

Calibration solution for conductivity 1.41 mS/cm. Please disguard the portion of solution used after each test. Contains 50 ml. Part # PL-0059

Original price $29.95 - Original price $29.95
Original price
$29.95
$29.95 - $29.95
Current price $29.95

Aqua One Marine pH Quick Drop Test Kit

Original price $12.95 - Original price $12.95
Original price
$12.95
$12.95 - $12.95
Current price $12.95
1 in stock.

Regular testing and maintenance of water parameters are important for the health of fish, plants and coral. Aqua One test kits make it easy to bala...

View full details
Original price $12.95 - Original price $12.95
Original price
$12.95
$12.95 - $12.95
Current price $12.95

Dymax pH Meter with Electrode

Original price $299.00 - Original price $299.00
Original price
$299.00
$299.00 - $299.00
Current price $299.00
1 in stock.

Dymax pH Meter features LCD display with back light feature and two decimal place accuracy. Usable for long term monitoring (indoor) with a magnet ...

View full details
Original price $299.00 - Original price $299.00
Original price
$299.00
$299.00 - $299.00
Current price $299.00

ADA Pack Checker ClO 5 Pack

Original price $19.95 - Original price $19.95
Original price
$19.95
$19.95 - $19.95
Current price $19.95
1 in stock.

The amount of chlorine residue in tap water varies by locality and temperature. It is very important to check if the water is neutralized properly ...

View full details
Original price $19.95 - Original price $19.95
Original price
$19.95
$19.95 - $19.95
Current price $19.95

ADA Pack Checker pH 5 Pack

Original price $19.95 - Original price $19.95
Original price
$19.95
$19.95 - $19.95
Current price $19.95
1 in stock.

With this product, it is very easy to measure the level of pH: just pump the water into a tube. Most water plants and tropical fish prefer soft and...

View full details
Original price $19.95 - Original price $19.95
Original price
$19.95
$19.95 - $19.95
Current price $19.95

Sera Dest Purified Cleaning Solution 250ml

Original price $15.95 - Original price $15.95
Original price
$15.95
$15.95 - $15.95
Current price $15.95
2 in stock.

Pure distilled water for measuring electrodes and tests. Distilled water for the sera copper test and phosphate test as well as for rinsing measuri...

View full details
Original price $15.95 - Original price $15.95
Original price
$15.95
$15.95 - $15.95
Current price $15.95

Red Sea Potassium Pro Test Refill

Original price $58.95
Original price $58.95 - Original price $58.95
Original price $58.95
Current price $40.95
$40.95 - $40.95
Current price $40.95
2 in stock.

Reagent Refill for Red Sea Potassium Pro Test

Original price $58.95
Original price $58.95 - Original price $58.95
Original price $58.95
Current price $40.95
$40.95 - $40.95
Current price $40.95
Save 31% Save %

Red Sea Potassium Pro Test Kit

Original price $99.00
Original price $99.00 - Original price $99.00
Original price $99.00
Current price $70.00
$70.00 - $70.00
Current price $70.00
1 in stock.

Potassium Pro Test Kit An advanced high accuracy titration test of potassium level in your reef aquarium Red Sea’s Potassium Pro Test Kit is a un...

View full details
Original price $99.00
Original price $99.00 - Original price $99.00
Original price $99.00
Current price $70.00
$70.00 - $70.00
Current price $70.00
Save 29% Save %