403 Forbidden
ERR_WEB_NGX_403
Platinum Trusted Service, based on over 31,000 reviews.
At a glance...
- Water hardness test kit for all aquariums
- Each pack includes 40 tests
- Critical factor in fishkeeping
Details
General hardness (GH) indicates the quantities of magnesium and calcium salts dissolved in water. The recommended level is between 6 and 20°GH in freshwater, depending on the species kept. Use this Aquarium Systems SeaTest to make sure your fish can thrive in the best possible conditions for their species.
- For freshwater only.
- 1 drop = 1°GH.
- Changes the colour from purple to blue.
- 2 x 10 ml to test 480°GH.
Reviews
Write Your Own Review
Alternatives
Customers also bought
-
Aquarium Systems SeaTest - KH Test KitFrom £9.50 Regular Price £18.69 Save £9.19In stock