Nano Tank Starter Checklist Guide: First-Time Buyer
Walking out of an aquarium shop with a tank, some gravel and a goldfish bag is how most of us started and how most of those fish died. A proper nano tank starter checklist guide exists so you buy the right equipment once, set up a stable system, and skip the six-month cycle of panic, returns and regrets. This list from Gensou Aquascaping at 5 Everton Park assumes a 20 to 40 litre planted nano — the realistic floor for keeping fish with dignity in a Singapore HDB.
The Tank Itself
Pick a tank with a horizontal footprint of at least 35 cm. A Fluval Flex 15 (57 L), Marineland Contour 5 (19 L) or Waterbox Cube 10 (38 L) all qualify. Avoid anything taller than it is wide — shoaling fish need swimming lanes. Second-hand rimless cubes on Carousell can save 30 to 50 percent; fill-test for 48 hours before adding substrate. Budget $90 to $300 SGD depending on whether you want aesthetics or function.
Filtration That Matches the Volume
The tank kit filter is often adequate but rarely optimal. A sponge filter rated 50 to 100 litres driven by a silent air pump covers biology on the cheap — $25 to $45 SGD end-to-end. For planted builds, an internal corner filter or mini canister like the Oase FiltoSmart 60 delivers cleaner flow patterns. Whatever you pick, plan for 3x to 5x turnover per hour. The filter types breakdown covers the trade-offs.
Heating for Singapore Ambient
Counterintuitive for tropical Singapore: you often do not need a heater if the room holds 28 to 30 degrees year-round. You do need one if you run air-conditioning below 25 degrees, or if you keep cool-preferring species. A 25 watt adjustable heater runs $20 to $35 SGD at any LFS. The nano heater guide explains wattage matching.
Lighting for Plant Survival
Stock kit LEDs vary from adequate (Fluval Flex) to weak (generic AIO). For any planted build, plan a proper clip-on — Chihiros C series, Twinstar S Light, or ONF Flat Nano run $70 to $140 SGD. An 8 hour photoperiod on a plug timer prevents algae and CO2 swings. No, “window light” is not sufficient; direct sun through HDB glass causes green water within a fortnight.
Substrate Choice Depends on Goal
For a planted nano, an active aquasoil like ADA Amazonia, Tropica Aquarium Soil or Dennerle Scaper’s Soil is worth the $25 to $50 premium over inert gravel. You need 3 to 4 litres for a 30 cm cube footprint. For a shrimp-only tank on soft PUB tap, buffered aquasoil holds pH at 6.2 to 6.5 and encourages breeding. For a fish-only community without fussy plants, a 2 to 3 kg bag of inert black gravel at $10 works fine.
Hardscape and Plants
Budget one piece of hardscape that anchors the composition — a 1 to 2 kg seiryu stone, a single piece of spiderwood, or a small manzanita. Starter plant selection: 1 pot Cryptocoryne wendtii, 1 pot Anubias nana petite, 1 pot Bucephalandra, 1 portion of Monte Carlo or dwarf hairgrass, a small bunch of Rotala rotundifolia. Total plant spend $40 to $70 SGD. See our first planted tank checklist for the full rationale.
Water Conditioner and Test Kit
Seachem Prime at 5 ml per 200 litres neutralises PUB chloramine instantly — one $14 bottle lasts a year on a nano. An API Freshwater Master Test Kit at $55 covers ammonia, nitrite, nitrate and pH; skip the dipsticks, they are unreliable. A TDS meter at $15 on Shopee is useful if you keep shrimp. Never rely on shop testing; you need readings at home.
The Cycling Timeline
Set up everything, plant heavily, dose a bottle of Seachem Stability, and wait four to six weeks before adding fish. Ghost feed a pinch of flake every other day, or dose household ammonia to 2 ppm and monitor the ammonia-to-nitrite-to-nitrate conversion. Do not shortcut this; a cycled tank is the single biggest welfare difference between a beginner who succeeds and one who loses stock. The cycling timeline maps the full progression.
Livestock Staging
Never add the full stocking list at once. A 30 litre planted nano can hold, for example, one betta and 15 cherry shrimp, or 6 chili rasboras and 10 shrimp, or 8 ember tetras and a nerite snail. Add in thirds across three weeks to let the biofilter scale. Quarantine new fish in a separate 10 litre tub for 10 to 14 days — almost every serious disease outbreak traces to a skipped quarantine.
Food and Feeding Rhythm
One small tin of quality flake (Hikari, Tetra, Dennerle) and one 30 g pot of frozen bloodworm or daphnia cover a nano for three months. Feed once or twice daily, whatever the fish can consume in 60 seconds. Overfeeding is the leading preventable cause of nano tank crashes. Fast one day a week — fish tolerate it well and ammonia readings drop.
Maintenance Tools
A 2 metre length of clear 12/16 mm tubing for water changes ($8), a small magnetic algae scraper ($12), a pair of long stainless planting tweezers ($18), and a 5 or 10 litre bucket dedicated to tank work complete your nano tank starter checklist guide kit. Do not reuse buckets that have held detergent. A simple spray bottle of dechlorinator-treated water for topping off evaporation saves time.
A proper Singapore nano starter setup: $90 to $300 tank, $30 to $60 filter upgrades, $70 to $140 lighting, $30 to $50 heater, $25 to $50 substrate, $40 to $70 plants, $50 to $80 test kit and conditioner, $40 to $70 initial livestock. Total range $375 to $820. Ongoing monthly cost $10 to $20 for food, conditioner and electricity. Skip any single line item on this nano tank starter checklist guide at your own risk.
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emilynakatani
Still Have Questions About Your Tank?
Drop by Gensou Aquascaping — most walk-in questions get answered in under 10 minutes by someone who has set up hundreds of tanks.
5 Everton Park #01-34B, Singapore 080005 · Open daily 11am – 8pm
