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High Tech Tank Contest | Week 51-2025

Overview
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The Mystical Island

Renan Selingardi do Amaral

Brazil

Through Glass

Marcelo Takeno

Brazil

Woods Stream

Ismael Filipe Alberto Figueira

Portugal

Valley

Saucy Julien

France

The fallen branch reborn

Abolfazl Mosavvar

Iran

If the planet doesn't warm

Hootan Maftoonian

Iran

To the highlands of a dream

Rahul Mukherjee

India

Life in shallow water

Dang Duy Khanh

Vietnam

What became of the fallen giants

Mark Clifton

Australia

New winds

Giuseppe Nisi

Italy

The Mystical Island

Aquascape 'The Mystical Island' by Renan Selingardi do Amaral (Brazil)

Tank Information

Plants
Aqua Designer	Renan Selingardi do Amaral
Country	Brazil
Title	The Mystical Island
Dimensions	120cm x 50cm x 45cm
Volume	270 Litres
Background	None
Lighting	1. 54w T5 High Output (T5HO) Fluorescent Light x 4
Filtration	1. EHEIM Classic 600 2217 External Filter 2. EHEIM Ecco Pro 300 2236 External Canister Filter x 2 3. EHEIM Skim 350 3536 Surface Skimmer
1. Anubias Barteri Var. Nana 'Petite' (Anubias Nana 'Petite') 2. Bucephalandra sp. 'Lamandau Mini Red' 3. Echinodorus Tenellus 'Blood' (Helanthium Tenellum 'Blood') 4. Eleocharis Minima (Small Spikerush) 5. Fissidens Fontanus (Phoenix Moss) 6. Hydrocotyle Tripartita (Three-Part Pennywort) 7. Hygrophila Pinnatifida (Fern Leaf Hygrophila) 8. Limnophila sp. 'Vietnam' (Vietnam Ambulia) 9. Marsilea Angustifolia (Narrow Four Leaf Clover) 10. Micranthemum Callitrichoides 'Cuba' (Hemianthus Callitrichoides 'Cuba') 11. Micranthemum Micranthemoides (Hemianthus Micranthemoides) 12. Micranthemum Tweediei (Monte Carlo) 13. Microsorum Pteropus 'Mini' (Java Fern Mini) 14. Rotala Indica 15. Rotala sp. 'Pink' (Rotala Rotundifolia 'Pink') 16. Rotala Wallichii 17. Staurogyne sp. 18. Vesicularia Dubyana (Singapore Moss)
Animals
1. Danio Margaritatus (Celestial Pearl Danio) 2. Dermogenys Pusillus (Wrestling Halfbeak) 3. Hyphessobrycon Elachys (Reed Tetra) 4. Nannostomus Marginatus (Dwarf Pencilfish) 5. Paracheirodon Innesi (Neon Tetra)
Materials
1. ADA Ryuoh Stone 2. Seiryu Stone
Additional Information
None

If the planet doesn't warm

Aquascape 'If the planet doesn't warm' by Hootan Maftoonian (Iran)

Tank Information

Plants
Aqua Designer	Hootan Maftoonian
Country	Iran
Title	If the planet doesn't warm
Dimensions	120cm x 50cm x 50cm
Volume	300 Litres
Background	None
Lighting	1. T5 Fluorescent Light x 6
Filtration	1. ADA Super Jet Filter ES-1200 2. EHEIM Professionel 3 1200XL 2080 External Filter x 2
1. Alternanthera Reineckii 'Mini' (AR Mini) 2. Anubias Barteri Var. Nana 'Mini' (Anubias Nana 'Mini') 3. Bolbitis Heteroclita (El Nino Fern) 4. Bolbitis Heudelotii (African Water Fern) 5. Bolbitis sp. 6. Bucephalandra sp. 'Green' 7. Ceratopteris Thalictroides (Water Horn-Fern) 8. Cladophora Aegagropila (Aegagropila Linnaei) 9. Eleocharis sp. 10. Fissidens Nobilis 11. Hydrocotyle Tripartita (Three-Part Pennywort) 12. Hygrophila Pinnatifida (Fern Leaf Hygrophila) 13. Hymenasplenium Obscurum 14. Lilaeopsis Brasiliensis (Brazilian Micro Sword) 15. Marsilea Hirsuta (Four Leaf Clover) 16. Micranthemum Micranthemoides (Hemianthus Micranthemoides) 17. Micranthemum Tweediei (Monte Carlo) 18. Microsorum Pteropus (Java Fern) 19. Microsorum Pteropus 'Narrow' (Java Fern Narrow) 20. Myriophyllum Tuberculatum (Myrio Red) 21. Riccardia Chamedryfolia (Coral Pellia) 22. Rotala Indica 'Bonsai' (Ammania sp. Bonsai) 23. Taxiphyllum Barbieri 'Java Moss' (Bogor Moss) 24. Taxiphyllum sp. 'Flame Moss'
Animals
1. Hoplisoma Panda (Panda Corydoras) 2. Neocaridina sp. (Shrimp) 3. Paracheirodon Axelrodi (Cardinal Tetra)
Materials
1. ADA Colorado Sand 2. ADA La Plata Sand 3. ADA Power Sand 4. Dragon Stone 5. Driftwood
Additional Information
Water Change : 1 Weekly Water Changes of 30% \| Fertilizer Dosage : Seachem Fertilizer Line

Through Glass

Aquascape 'Through Glass' by Marcelo Takeno (Brazil)

Tank Information

Plants
Aqua Designer	Marcelo Takeno
Country	Brazil
Title	Through Glass
Dimensions	120cm x 45cm x 45cm
Volume	243 Litres
Background	White Paper
Lighting	1. Maxspect Razor R4 F175w LED
Filtration	1. EHEIM Ecco Pro 300 2236 External Canister Filter x 2
1. Alternanthera Reineckii 'Mini' (AR Mini) 2. Anubias Barteri Var. Nana 'Mini' (Anubias Nana 'Mini') 3. Bucephalandra sp. 4. Callitriche sp. 5. Echinodorus Tenellus 'Amano' (Helanthium Tenellum 'Amano') 6. Echinodorus Tenellus 'Blood' (Helanthium Tenellum 'Blood') 7. Eleocharis Minima (Small Spikerush) 8. Fissidens sp. 9. Hydrocotyle Tripartita 'Mini' (Hydrocotyle Japan Mini) 10. Hygrophila Pinnatifida (Fern Leaf Hygrophila) 11. Limnophila sp. 'Vietnam' (Vietnam Ambulia) 12. Micranthemum Callitrichoides 'Cuba' (Hemianthus Callitrichoides 'Cuba') 13. Micranthemum Tweediei (Monte Carlo) 14. Rotala Indica 15. Rotala Indica 'Bonsai' (Ammania sp. Bonsai) 16. Rotala Rotundifolia (Dwarf Rotala) 17. Rotala sp. 'Green' 18. Rotala sp. H'ra 19. Rotala sp. 'Vietnam' 20. Rotala Wallichii 21. Staurogyne sp.
Animals
1. Aphyocharax Rathbuni (Green Fire Tetra) 2. Hyphessobrycon Amandae (Ember Tetra) 3. Tucanoichthys Tucano (Toucan Tetra)
Materials
1. ADA Amazonia Aqua Soil 2. Rock 3. Ryuoh Stone
Additional Information
Fertilizer Dosage : Seachem Fertilizer Line (Daily)

To the highlands of a dream

Aquascape 'To the highlands of a dream' by Rahul Mukherjee (India)

Tank Information

Plants
Aqua Designer	Rahul Mukherjee
Country	India
Title	To the highlands of a dream
Dimensions	120cm x 54cm x 42cm
Volume	272 Litres
Background	White Screen
Lighting	1. 45w LED x 3
Filtration	1. 1400 LPH External Filter x 2
1. Bucephalandra sp. 2. Eleocharis Acicularis (Needle Spikerush) 3. Fissidens Fontanus (Phoenix Moss) 4. Fissidens Nobilis 5. Fissidens sp. 'Miroshaki' 6. Hydrocotyle sp. 7. Limnophila sp. 'Vietnam' (Vietnam Ambulia) 8. Ludwigia Arcuata (Needle Leaf Ludwigia) 9. Micranthemum Callitrichoides 'Cuba' (Hemianthus Callitrichoides 'Cuba') 10. Micranthemum Micranthemoides (Hemianthus Micranthemoides) 11. Microsorum sp. 12. Rotala Macrandra 'Mini Butterfly' 13. Rotala sp. H'ra 14. Rotala sp. 'Wayanad' (Rotala Rotundifolia 'Wayanad') 15. Taxiphyllum sp. 16. Vesicularia sp.
Animals
1. Corydoras sp. 2. Neocaridina Davidi (Red Cherry Shrimp) 3. Otocinclus sp. 4. Paracheirodon Simulans (Green Neon Tetra)
Materials
1. ADA La Plata Sand 2. Ryuoh Stone
Additional Information
Lighting Duration : 10 Hours \| pH - 6.7 , Total Dissolved Solids (TDS) - 50

Woods Stream

Aquascape 'Woods Stream' by Ismael Filipe Alberto Figueira (Portugal)

Tank Information

Plants
Aqua Designer	Ismael Filipe Alberto Figueira
Country	Portugal
Title	Woods Stream
Dimensions	120cm x 50cm x 50cm
Volume	300 Litres
Background	None
Lighting	1. 130w RGB LED 2. LED Light
Filtration	1. EHEIM Professionel 3 1200XL 2080 External Filter
1. Anubias Barteri Var. Nana 'Mini' (Anubias Nana 'Mini') 2. Bolbitis Heudelotii (African Water Fern) 3. Bucephalandra sp. 4. Cryptocoryne Wendtii 'Green' 5. Hydrocotyle Tripartita (Three-Part Pennywort) 6. Hygrophila Pinnatifida (Fern Leaf Hygrophila) 7. Ludwigia Palustris 8. Marsilea Hirsuta (Four Leaf Clover) 9. Micranthemum Micranthemoides (Hemianthus Micranthemoides) 10. Micranthemum Tweediei (Monte Carlo) 11. Microsorum Pteropus 'Petite' (Java Fern Petite) 12. Microsorum Pteropus 'Trident' (Java Fern Trident) 13. Myriophyllum Mattogrossense (Matogrosso Milfoil) 14. Pogostemon Erectus (Pogostemon Deccanensis) 15. Riccardia Chamedryfolia (Coral Pellia) 16. Rotala Rotundifolia (Dwarf Rotala) 17. Rotala sp. 'Green' 18. Rotala sp. H'ra 19. Staurogyne Repens 20. Taxiphyllum sp. 'Spiky Moss' (Peacock Moss)
Animals
1. Ancistrus sp. 2. Caridina Multidentata (Amano Shrimp) 3. Hemigrammus Armstrongi (Golden Tetra) 4. Otocinclus Affinis (Golden Otocinclus)
Materials
1. ADA Amazonia Aqua Soil 2. Redmoor Wood 3. Rock
Additional Information
None

Life in shallow water

Aquascape 'Life in shallow water' by Dang Duy Khanh (Vietnam)

Tank Information

Plants
Aqua Designer	Dang Duy Khanh
Country	Vietnam
Title	Life in shallow water
Dimensions	120cm x 50cm x 50cm
Volume	300 Litres
Background	None
Lighting	1. ADA Solar RGB x 2
Filtration	1. ADA Super Jet Filter ES-1200 2. EHEIM Classic 600 2217 External Filter 3. EHEIM Professionel 3 1200XL 2080 External Filter
1. Alternanthera Reineckii 'Mini' (AR Mini) 2. Bolbitis Heteroclita (El Nino Fern) 3. Bolbitis Heudelotii (African Water Fern) 4. Bucephalandra sp. 5. Cryptocoryne Wendtii 'Brown' (Wendt's Water Trumpet 'Brown') 6. Hygrophila sp. 7. Isopterygium sp. 8. Marsilea Quadrifolia (European Water Clover) 9. Micranthemum Tweediei (Monte Carlo) 10. Microsorum Pteropus 'Narrow' (Java Fern Narrow) 11. Plagiochilaceae sp. Cameroon (Cameroon Moss) 12. Riccardia sp. 'Graeffei' (Mini Pellia) 13. Rotala Rotundifolia 'Green' 14. Rotala sp. 'Colorata' (Rotala Rotundifolia 'Yao Yai') 15. Rotala sp. 'Vietnam' 16. Rotala Wallichii 17. Trifolium sp. 18. Vesicularia Ferriei (Weeping Moss) 19. Vesicularia Montagnei (Christmas Moss)
Animals
1. Paracheirodon Axelrodi (Cardinal Tetra)
Materials
1. Ultum Nature Systems Controsoil
Additional Information
None

Valley

Aquascape 'Valley' by Saucy Julien (France)

Tank Information

Plants
Aqua Designer	Saucy Julien
Country	France
Title	Valley
Dimensions	120cm x 50cm x 50cm
Volume	300 Litres
Background	Plexiglass with Projector
Lighting	1. TWINSTAR 1200SP LED
Filtration	1. JBL CristalProfi e1502 greenline
1. Alternanthera Reineckii 'Mini' (AR Mini) 2. Anubias Barteri Var. Nana 'Mini' (Anubias Nana 'Mini') 3. Anubias Barteri Var. Nana 'Pangolino' (Anubias Nana 'Pangolino') 4. Anubias Barteri Var. Nana 'Paxing' (Anubias Nana 'Paxing') 5. Anubias Barteri Var. Nana 'Petite' (Anubias Nana 'Petite') 6. Bucephalandra Pygmaea 'Wavy Green' 7. Bucephalandra sp. 8. Bucephalandra sp. 'Brownie Blue' 9. Bucephalandra sp. 'Mini Needle Leaf' 10. Cryptocoryne Albida 'Brown' 11. Eleocharis Acicularis 'Mini' (Hairgrass Acicularis) 12. Eriocaulon Cinereum (Eriocaulon Polaris) 13. Hygrophila Pinnatifida (Fern Leaf Hygrophila) 14. Ludwigia Senegalensis (Ludwigia sp. Guinea) 15. Ludwigia sp. 'Mini Super Red' 16. Riccardia Chamedryfolia (Coral Pellia) 17. Rotala Indica 18. Rotala sp. H'ra 19. Spiranthes Cernua (Nodding Ladies' Tresses) 20. Staurogyne Repens
Animals
1. Axelrodia Riesei (Ruby Tetra) 2. Biomphalaria Glabrata (Blood Fluke Planorb) 3. Caridina Multidentata (Amano Shrimp) 4. Crossocheilus Siamensis (Siamese Algae Eater) 5. Danio Erythromicron (Emerald Dwarf Danio) 6. Danio Margaritatus (Celestial Pearl Danio) 7. Neritina Natalensis sp. (Nerite Snail) 8. Panaqolus Maccus (Clown Pleco) 9. Paracheirodon Innesi (Neon Tetra) 10. Sturisomatichthys Aureus (Royal Twig Catfish)
Materials
1. JBL ProScape Volcano Mineral 2. Kessai Wood 3. Seiryu Stone
Additional Information
None

What became of the fallen giants

Aquascape 'What became of the fallen giants' by Mark Clifton (Australia)

Tank Information

Plants
Aqua Designer	Mark Clifton
Country	Australia
Title	What became of the fallen giants
Dimensions	120cm x 50cm x 50cm
Volume	300 Litres
Background	None
Lighting	1. DIY LED Light
Filtration	1. EHEIM Classic 600 2217 External Filter x 2
1. Alternanthera Reineckii 'Mini' (AR Mini) 2. Anubias Barteri Var. Nana (Anubias Nana) 3. Anubias Barteri Var. Nana 'Petite' (Anubias Nana 'Petite') 4. Bucephalandra sp. 5. Cryptocoryne Wendtii (Wendt's Water Trumpet) 6. Echinodorus Tenellus 'Micro' (Helanthium Tenellum 'Micro') 7. Hydrocotyle Tripartita (Three-Part Pennywort) 8. Hygrophila Lancea 'Araguaia' (Araguaya Sharp Leaf) 9. Limnophila sp. 'Mini Vietnam' 10. Ludwigia sp. 'Mini Super Red' 11. Marsilea Angustifolia (Narrow Four Leaf Clover) 12. Micranthemum Callitrichoides 'Cuba' (Hemianthus Callitrichoides 'Cuba') 13. Micranthemum Tweediei (Monte Carlo) 14. Microsorum Pteropus (Java Fern) 15. Pogostemon Helferi (Downoi) 16. Riccia Fluitans (Crystalwort) 17. Rotala Macrandra 'Mini Pearl' 18. Rotala Rotundifolia (Dwarf Rotala) 19. Rotala sp. 'Green' 20. Staurogyne Repens 21. Taxiphyllum Barbieri 'Java Moss' (Bogor Moss) 22. Taxiphyllum sp. 'Spiky Moss' (Peacock Moss) 23. Vesicularia Montagnei (Christmas Moss)
Animals
1. Caridina sp. Nilotica (Darwin Algae Shrimp) 2. Epalzeorhynchos Kalopterus (Flying Fox) 3. Otocinclus sp. 4. Paracheirodon Axelrodi (Cardinal Tetra)
Materials
1. ADA Amazonia Aqua Soil 2. Driftwood 3. Natural Sand 4. Seiryu Stone
Additional Information
None

The fallen branch reborn

Aquascape 'The fallen branch reborn' by Abolfazl Mosavvar (Iran)

Tank Information

Plants
Aqua Designer	Abolfazl Mosavvar
Country	Iran
Title	The fallen branch reborn
Dimensions	120cm x 50cm x 50cm
Volume	300 Litres
Background	White Sticker
Lighting	1. T5 Fluorescent Light x 6
Filtration	1. Atman Filter 2. External Filter
1. Anubias Barteri Var. Barteri (Anubias Barteri) 2. Bacopa Caroliniana (Lemon Bacopa) 3. Bolbitis Heudelotii (African Water Fern) 4. Eleocharis Acicularis (Needle Spikerush) 5. Hydrocotyle Tripartita (Three-Part Pennywort) 6. Hygrophila Difformis (Water Wisteria) 7. Ludwigia Repens 8. Microsorum Pteropus 'Narrow Leaf' (Java Fern Narrow Leaf) 9. Myriophyllum Mattogrossense 'Red' 10. Nymphaea Zenkeri (Red Tiger Lotus) 11. Pogostemon Stellatus (Eusteralis Stellata)
Animals
1. Apteronotus Albifrons (Black Ghost Knife Fish) 2. Corydoras sp. 3. Ctenopoma Acutirostre (Leopard Bush Fish) 4. Danio Rerio (Leopard Danio) 5. Hyphessobrycon Eques (Serpae Tetra) 6. Myxocyprinus Asiaticus (Chinese High Fin Banded Shark) 7. Poecilia Reticulata (Guppy) 8. Symphysodon Aequifasciatus (Discus)
Materials
1. Dragon Stone 2. Driftwood 3. White Cosmetic Sand
Additional Information
Inspiration : The idea is to show a fallen branch in the river which has gotten a new life or reborn.

New winds

Aquascape 'New winds' by Giuseppe Nisi (Italy)

Tank Information

Plants
Aqua Designer	Giuseppe Nisi
Country	Italy
Title	New winds
Dimensions	100cm x 55cm x 50cm
Volume	275 Litres
Background	None
Lighting	1. TWINSTAR 900SP LED x 2
Filtration	1. EHEIM Filter
1. Fissidens Fontanus (Phoenix Moss) 2. Juncus Repens (Creeping Rush) 3. Ludwigia sp. 'Mini Super Red' 4. Micranthemum Tweediei (Monte Carlo) 5. Rotala Indica 6. Rotala sp. 'Green'
Animals
1. Paracheirodon Simulans (Green Neon Tetra)
Materials
1. Grey Stone 2. Prodibio Aquagrowth Soil
Additional Information
CO2 Information : 1 Bubble per second