Freshwater treatment | Hobby pesca e acquari

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Freshwater treatment

91 products

The Freshwater Treatment section contains everything you need to make and keep your water safe, stable and crystal clear: water conditioners, bacterial activators, osmosis supplements, filter media, substrates, fertilizers, CO₂, purifiers, algaecides, snail solutions and medications/protective agents.

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Safe water: water conditioners neutralize chlorine and chloramines and bind heavy metals; bacterial activators initiate and support biological filtration (nitrogen cycle).

Stable parameters: with osmosis water, you replenish minerals and KH/GH in a controlled manner; filter media (mechanical, biological, chemical) maintain clarity and control values.

Healthy plants: substrates and substrate activators host beneficial bacteria and roots; liquid/tablet fertilizers and CO₂ support growth, colors, and algae prevention.

Cleaner and protected water: purifiers (carbon/resins/peat) refine the water; algaecides and snail trapping products help with management; medications and protective agents support fish during critical times.

Quick selection: filter by function (conditioning, bacteria, fertilization, CO₂, algaecide…), tank volume, and compatibility (planted aquarium, shrimp, community) to quickly find the right product.

Tip: establish a simple routine (water conditioner + bacteria during water changes, periodic testing, constant fertilization, and stable CO₂): the water will remain clear and plants stronger than algae.

— Tip from the Hobby Pesca & Acquari Team

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Amazonia Ver.2 uses black soil as its main raw material and includes an Amazonia supplement to enrich nutrients. By adding an appropriate amount of Amazonia supplement and using Amazonia Ver.2, aqu...
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Nitrogen is an essential nutrient for plant growth, and when it is insufficient, it can inhibit growth. Daily administration of GREEN BRIGHTY NITROGEN helps to improve leaf colors and promotes heal...
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High-performance filter material for mechanical filtration with patented 3D structured fiber. sera crystal clear Professional quickly removes clouding particles larger than 10 µm, such as algae or ...
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Askoll FORMULA AZURE Cartridge additive for crystal clear aquarium water - 70 ml Replacement cartridge for Askoll ROBOFORMULA DISPENSER, the result of 2 years of research conducted in Askoll...
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Sera Bio Nitrivec - Extra Quality Liquid Filter Medium Liquid filter medium containing millions of purifying bacteria to quickly and reliably establish a stable biological balance. It removes pollu...
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Sera Aquatan - Water Conditioner Water conditioner that instantly transforms tap water into healthy, fish-friendly water rich in mineral substances. Removes chlorine and chloramines, binds heavy me...
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Daily liquid fertilizer Vital energy for growth Over 20 trace elements Complements base fertilizer With 3 Chelators Planta 24 Cheiron Activ is a daily fertilizer that intr...
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Aquaristica Bio.Humina 6 in 1 is a highly concentrated natural preparation extracted from fossil plant raw materials, containing humic compounds, humic acids, and fulvic acids. It acts as a natural...
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Aquaristica Bio.Logica 3 in 1 is an all-natural, broad-spectrum, highly concentrated water conditioner and supplement. It immediately makes the water soft and welcoming, replicating the conditions ...
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Highly concentrated preparation of specific microorganisms and bacteria for very rapid start-up and optimal maintenance of nitrification in fresh and marine aquariums. Special packaging with produc...
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Bubble counter that easily monitors the amount of CO2 added to your tank The valve prevents the bubble counter from running dry Made of sturdy metal Easy to fill and attach  
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Iron Fe is a source of iron designed exclusively for use in freshwater aquariums. The balanced formula contains both fast-absorbing iron and slow-release iron, ideal for exceptional and long-lastin...
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Iron deficiency causes chlorosis in leaves and poor plant growth. Supplying GREEN BRIGHTY IRON improves leaf color and promotes plant growth.  Suitable for many types of plants, such as stem plan...
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  GREEN BRIGHTY MINERAL is a liquid fertilizer that provides iron, magnesium, and other trace elements that tend to be easily depleted in a planted aquarium. These elements are used for pigment syn...
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PHYTON GIT PLUS is an advanced plant supplement that helps prevent and inhibit the growth of cyanobacteria. Thanks to its formula based on plant extracts and antiseptic and antibacterial active ing...
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The innovative GREEN GAIN PLUS is a plant-based supplement containing phytohormones, trace elements, and amino acids, enriched with boron to promote the growth of new buds. By increasing resistance...
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Active Ingredients1 ml contains:Acriflavine hydrochloride 0.3mgGentian violet 0.5mgMalachite green 1.0mgMethylene blue 2.5mgForm and administration of contents20ml solution for approximately 600 li...
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Sera filter media bags make introducing and removing filter media much faster and tidier. The media don't mix, and cleaning becomes simpler. Available in 2 sizes, optimal for all Sera filter media....
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