Skapelab

40-Gallon Low-Tech Walstad Aquascape (Beginner)

Walstad aquascape example for a 40-gallon breeder tank

A 40-gallon breeder Walstad aquascape planned for a low-tech setup and a beginner aquarist. It pairs 11 plant species with a 4-group stocking list, built around Spiderwood. Everything below is sized to the tank and matched to the beginner skill level.

Generate this exact design in the studio →

Hardscape & layout

Built around Spiderwood. Place the largest piece off-centre on the golden ratio, angled slightly back, with smaller supporting pieces stepping away from it.

Substrate

Aqua soil or capped organic base, capped with fine natural gravel/sand cap, built to about 2.5–3.5" deep. A nutrient base keeps low-tech plants fed; cap with fine gravel. Slope higher at the back.

Plant list & placement

PlantPlacementQuantityNeedsBuy
Micro Sword (New Zealand)
Lilaeopsis novae-zelandiae
Carpet9 potsLight: medium · CO₂: not requiredBuy at Buce Plant
Four-Leaf Clover (Large)
Marsilea quadrifolia
Carpet9 potsLight: low · CO₂: not requiredBuy at Buce Plant
Sagittaria sp. Mini
Sagittaria sp.
Carpet9 potsLight: low · CO₂: not requiredBuy at Buce Plant
Rigid-leaved Aponogeton
Aponogeton rigidifolius
Accent4 plantsLight: low · CO₂: not requiredBuy at Buce Plant
Spiral Cryptocoryne
Cryptocoryne spiralis
Accent4 plantsLight: low · CO₂: not requiredBuy at Buce Plant
Dwarf Lily (Nuphar)
Nuphar pumila
Accent4 plantsLight: low · CO₂: not requiredBuy at Buce Plant
Aponogeton undulatus
Aponogeton undulatus
Background3 bunchesLight: low · CO₂: not requiredBuy at Buce Plant
Bacopa caroliniana
Bacopa caroliniana
Background3 bunchesLight: low · CO₂: not requiredBuy at Buce Plant
Bacopa monnieri
Bacopa monnieri
Background3 bunchesLight: low · CO₂: not requiredBuy at Buce Plant
Anubias barteri var. nana
Anubias barteri var. nana
Epiphyte3 portionsLight: low · CO₂: not requiredBuy at Buce Plant
Lance-leaf Anubias
Anubias lanceolata
Epiphyte3 portionsLight: low · CO₂: not requiredBuy at Buce Plant

Stocking list

SpeciesSuggested countTypeBuy
Murray River Rainbowfish
Melanotaenia fluviatilis
12PeacefulBuy at Flip Aquatics
Betta (Siamese Fighting Fish)
Betta splendens
1Semi_aggressiveBuy at Flip Aquatics
Corumba Apisto
Apistogramma commbrae
8Semi-aggressiveBuy at Flip Aquatics
Amano Shrimp
Caridina multidentata
9InvertebrateBuy at Flip Aquatics

Equipment

CategoryRecommendationPriceBuy
FiltrationAquaclear 50 Power Filter (HOB)~$45–62Buy at Green Leaf Aquariums
LightingFluval Aquasky 2.0 36–48"~$78–108Buy at Green Leaf Aquariums
HeatingEheim Jager 100W~$27–38Buy at Chewy
SubstrateFluval Stratum 17.6lb~$48–65Buy at Buce Plant
FertilizerSeachem Flourish Comprehensive 250ml~$8–14Buy at Buce Plant
TestkitAPI Freshwater Master Test Kit~$28–42Buy at Aquarium Co-Op
Water treatmentSeachem Prime 500ml~$12–20Buy at Aquarium Co-Op
BacteriaSeachem Stability 250ml~$8–14Buy at Aquarium Co-Op

Care schedule

DailyFeed lightly; a quick glance for anything unusual.
Weekly25–30% water change, light fertilizer dose, wipe the glass, quick trim.
MonthlyRinse filter media in old tank water; test KH, GH, and pH; deep-trim and replant tops.
As neededTop off evaporation with dechlorinated water; spot-clean algae.
Start this build in the Skapelab studio →

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