The 2026 buyer guide. Sizing rules, what experienced aquarists buy, common mistakes, and where to source.
API General Cure TL;DR
Price range: $10-$20 · Category: treatment
The right api general cure can mean the difference between a thriving tank and an endless cycle of replacements. This guide walks through what to buy, what to skip, and what experienced aquarists actually run on long-running displays.
Why your api general cure choice matters
Wrong-medication choices kill fish faster than the disease itself. Copper kills inverts. Aquarium salt is dangerous to scaleless species. Always identify the disease before treating, treat in a hospital tank, and follow protocol exactly.
What experienced aquarists buy
SeachemCupramine for ich + velvet copper treatment. Seachem KanaPlex + MetroPlex for bacterial. PraziPro for flukes + worms. Always treat in a separate hospital tank.
Sizing + dosing rules
Follow medication protocol exactly. Most treatments are 14-21 days minimum at therapeutic dose. Never half-dose or stop early - resistance breeds.
Common mistakes
(1) Buying based on tank size alone instead of bioload + livestock goals. (2) Treating manufacturer specs as gospel - real performance is 60-80% of spec. (3) Skipping redundancy on critical-path equipment. (4) Underspending on foundation gear to overspend on visible upgrades.
Where to buy
Browse vetted Fast Aquatics vendors carrying api general cure with carrier-tracked Buyer Protection on every order. Most equipment ships ground via UPS or FedEx; sensitive items ship in original packaging with insurance. Browse all equipment guides on Fast Aquatics.
API General Cure FAQ
What is the best api general cure for a beginner?
Mid-range options balance cost and reliability. Avoid the cheapest tier (high failure rate) and the highest tier (overkill for first-tank goals).
How long does api general cure last?
Most equipment in this category lasts 3-7 years with normal use. Plan for replacement at 5 years for pumps and lights; sumps and plumbing last decades.
Can I DIY this?
For some categories yes (sumps, plumbing, racks). For others no (lighting, controllers, skimmers, treatments - the engineering or chemistry is harder than it looks).