Maintenance

Tablets for prevention and long-term control of algae — slow releaseLasting protection against algae growth — suitable for preventive and curative ...

Fast-acting Algae Remover for Freshwater AquariumsEffective against stubborn algae — for quick results✅ Level: Easy — Dose according to instruction...

Mild biological algaecide — effective against all aquarium algaeAvailable in 100 ml, 250 ml, and 500 ml — suitable for curative and preventive use✅...

Tetra's most complete water conditioner – instantly safe water for your aquariumBioExtract formula with iodine and B vitamins – for fresh and saltw...

Live bacteria for a healthy biological filter environment — fast-acting Ideal for aquarium start-up, after filter cleaning, or after water changes...

The Mag-Float floating algae magnets. Remove algae from your aquarium without getting your hands wet. Super handy floating cleaner, cleans aquarium...

Replacement Blade Holder for the Tetra GS45 Glass Cleaner — per 2 piecesOriginal replacement part — specifically for Tetra GS45✅ Level: Easy — Simp...

Sustainably reduces nitrate levels — combats algae growth at the source Liquid formula — suitable for freshwater and saltwater aquariums ✅ Level:...

Lowers pH and KH in a controlled manner — ideal for soft water fish Especially for discus, apistogrammas, and other Amazonian species — freshwater...

Increases pH and KH in a controlled manner — prevents dangerous pH fluctuations Liquid formula for rapid action — freshwater and saltwater aquariu...

Live Nitrifying Bacteria — Safely Introduce Fish Within 24 Hours of SetupFor all freshwater aquariums — also suitable after water changes✅ Level: E...

Natural Peat Extracts for Authentic Blackwater Aquarium — Ideal for Softwater FishReplicates the Amazon — Stimulates Spawning Readiness and Vibrant...

Hs Aqua Cleaning Kit The HS aqua Cleaning Kit is a complete care set for easy cleaning of your aquarium. The set includes a gravel rake, a 2.5" ...

Complete water care in one kit — instantly safe water for your aquariumEssential Tetra water treatment products bundled in one package✅ Level: Easy...

Crystal clear aquarium water in 6–12 hours — mild mineral formula250 ml — safe for fish and plants — not for shrimp and invertebrates✅ Level: Easy ...

Hs Aqua Cleaning Kit The HS aqua Cleaning Kit is a complete care set for easy cleaning of your aquarium. The set includes a gravel rake, a 2.5" ...

Reduces phosphate and nitrate — combats algae growth at the source Gentle and safe for all aquarium inhabitants — no cloudy water, no residue ✅ L...