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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Sera Biofibres Grosse are filter fibres for the biomechanical pre-filtration of coarse dirt particles. They protect subsequent filter media from coarse dirt, increasing the biological effectiveness...
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The Chihiros Reactor is the original replacement reactor for the Chihiros New Doctor. Compatible with freshwater, suitable for aquariums with fish and invertebrates. 📖 Read more Main features ...
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The Chihiros CO2 Regulator Mate is a high-precision pressure regulator with integrated bubble counter and solenoid valve. Compatible with refillable CO2 cylinders with standard W21.8 x 1/14 connect...
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A new generation, 100% natural water conditioner that creates ideal conditions for all living organisms in the aquarium. A unique product of its kind with over 30 proven beneficial effects, without...
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Essential liquid carbon source for optimal aquarium plant growth. Provides bioavailable CO2 without the need for gasification systems, visibly stimulating growth and improving plant appearance in a...
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Safe and effective anti-algae treatment for freshwater aquariums, active against almost all types of algae. Gentle yet powerful formula that stops algae growth and removes spores present in the wat...
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High-performance ceramic filter media for Juwel internal filters, ensuring optimal biological filtration thanks to their large porous surface. Juwel's CIRAX provides the ideal support for the colon...
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Specialized filter material for reducing phosphates in the aquarium, effectively preventing algae growth. Juwel's PHORAX removes phosphates from the water, eliminating one of the main nutrients tha...
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High-performance compact activated carbon for Juwel internal filters, effectively removes harmful substances, odours and discolouration from aquarium water. CARBAX ensures crystal-clear and healthy...
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Specialized filter media for ammonia reduction in aquariums, ensuring a safe environment for your fish. Juwel's AMORAX effectively absorbs toxic ammonia from the water, protecting fish from stress ...
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Fine-pored filter sponge for Juwel internal filters, ensuring accurate mechanical filtration and optimal bacterial colonization. The BIOPLUS FINE captures the finest dirt particles and provides a l...
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Coarse filter sponge for Juwel internal filters, ensures effective mechanical filtration and optimal bacterial colonization. The BIOPLUS COARSE captures larger dirt particles and provides a large s...
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Specialized filter material for biological nitrate reduction in aquariums, ensuring a healthy and safe environment for your fish. Juwel's NITRAX effectively reduces nitrate levels thanks to its spe...
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High-quality activated carbon for Juwel internal filters, effectively removes harmful substances, odors, and discolorations from aquarium water. BIOCARB ensures crystal-clear and healthy water than...
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High-quality filter floss for Juwel internal filters, ensuring fine mechanical filtration and crystal-clear water quality. The BIOPAD captures the finest dirt particles, keeping your aquarium water...
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Regular price €8,00
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Replacement sponge compatible with Askoll Pratiko 400 external filters.Compatibility Pratiko old model filter Pratiko New Generation filter Pratiko 3.0 Super Silent filter
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Replacement activated carbon cartridge for Askoll Biovita filter model 250/252.
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Replacement filter sponges for Askoll Aqua Ranger 2/Pure in M. Pack of 2.