Short reads with practical takeaways. Click through for the full story.
The Tank Guide is an educational aquarium website from FishKeepingLifeCo, sharing freshwater lessons for busy keepers.
First steps, setup mistakes, and confidence builders.
"Hard water" and "soft water" fish exist, but many commercially raised fish are more adaptable than their care sheets imply. Learn which species genuinely need different water.
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GH, KH, and pH each tell you something different about your water. Understanding what they measure — and what they don't — matters more than chasing a specific number.
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Low maintenance aquariums aren’t about tougher fish. Learn how bioload, tank size, and planning create stability—and why “hardy” is the wrong term for beginners.
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A concise guide to common goldfish myths: why bowls fail, why the one-inch-per-gallon rule breaks down, how the nitrogen cycle affects resilience, and why goldfish need real space and filtration to thrive.
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Compare online traceability vs in-store visibility. A neutral guide to managing transitions for fish, shrimp, snails, and plants.
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Learn how filtration really works, why the nitrogen cycle matters, and avoid the filter cartridge conspiracy that crashes beginner tanks.
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Real-world lessons on keeping bettas peacefully in planted community tanks — and how balance makes them peaceful kings of the aquarium.
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A plain-English path from confusion to stable tanks — fishless vs fish-in, plants, seeding, and simple habits that work.
Read the blog →Feeding, acclimation, and welfare for shrimp, snails, and other invertebrates.
A stability-first care framework for Neocaridina davidi covering water chemistry, molting support, acclimation, and long-term colony success.
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A practical feeding framework for Neocaridina shrimp that prioritizes biofilm first, then layers targeted foods for growth, molts, and long-term colony health.
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A buyer-first walkthrough of preparing your tank, navigating shipping timelines, and prioritizing shrimp welfare from checkout to delivery.
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An experience-based guide to receiving shipped shrimp in winter, managing temperature shifts, using a gradual cup acclimation method, and observing the first 24 hours without rushing interventions.
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Stop treating snails as algae tools. Learn how to integrate snails into your aquarium ecosystem ethically, prevent shell erosion, and maintain long-term balance.
Read the blog →Plant picks, substrate, and fertilizing for a tank that actually grows.
Start your tank right with the 5 best beginner aquarium plants like Anubias and Java Fern.
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Beginner-friendly carpeting plants for low-tech aquariums, including Dwarf Sagittaria, Pygmy Chain Sword, Marsilea hirsuta, Pearl Weed, and Cryptocoryne parva, plus tips for growing a carpet without injected CO₂.
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Learn why houseplants can grow with their roots in aquarium water, how they help use nitrate, and which species work best above freshwater aquariums.
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Master aquarium plant fertilizers by comparing liquid fertilizers, root tabs, EI dosing, and DIY options to support healthy planted tank growth.
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A beginner-friendly guide to aquasoil, inert substrates, layered systems, lava rock structure, and DIY dirt methods for planted aquariums.
Read the blog →Custom builds, plumbing layouts, and hands-on system upgrades.
A real-world account of designing a 5-gallon sump for a 29-gallon planted aquarium—covering refugium integration, gravity-fed overflows, custom media stacks, and stability results inspired by saltwater systems.
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DIY sump troubleshooting, check valve issue, siphon break lesson, and real-world lessons learned.
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A biology-first guide to reducing aquarium nitrates naturally using pothos as long-term biological nutrient export.
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A documented 29-gallon planted aquarium case study examining undergravel flow, substrate nutrient movement, and a reverse undergravel refugium—focused on observation, not prescription.
Read the blog →Real-world fixes for algae, nitrates, and sick fish.
Spot-dosing, lighting, and flow tweaks that finally shut down stubborn BBA.
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Learn how aquarium plants lower nitrates through nitrogen uptake, which species work best, and why trimming is required for real export.
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Stability-first guidance for Ich and common freshwater illnesses—compassionate, system-wide care with humane decisions.
Read the blog →Hand-picked gear that earned a spot in the sump.
Showroom-level clarity with a simple placement and one honest “downside.”
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Why heater failures happen quietly, and how temperature controllers add the safety margin that protects your fish.
Read the blog →Holiday checklists, gift guides, and seasonal care.
Reflections on Fitz’s Fish Ponds Plant Fest 2026, from koi ponds and aquatic plants to greenhouse systems, shrimp bowls, filtration, and the ecosystem principles shared with aquariums.
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A practical summer heat-wave aquarium guide covering safe cooling, dissolved oxygen, heat stress, surface agitation, fans, water changes, and emergency aeration during power outages.
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Safe, thoughtful gifts that support the hobby—without stressing the keeper or the fish.
Read the blog →Ready to level up your fishkeeping? The Tank Guide blog offers science-backed guides on planted tanks, aquarium setup, and beginner education.