Home / Reef Editorial / GFO vs Lanthanum Chloride: Choosing a Phosphate Removal Method GFO vs Lanthanum Chloride: Choosing a Phosphate Removal Method admin · May 10, 2026 · 1 min read Both methods remove phosphate effectively. They suit different tank sizes and different operator personalities.GFO (granular ferric oxide)Passive, predictable, slow. Set in a fluidized reactor and forget for 4–8 weeks. Safe for any reef.Lanthanum chlorideActive, fast, requires careful dosing. Drip into a 5-micron filter sock to capture LaPO4 precipitate. Crashes phosphate fast — do not overdose. Related reef reading May 10, 2026 Coral Dipping: How to Stop Aiptasia, Flatworms, and Red Bugs at the Door Every new coral is a potential vector for Aiptasia eggs, flatworms, red bugs, and montipora-eating nudibranchs. Dipping is non-negotiable.Bayer AdvancedActive ingredient imidacloprid.… May 10, 2026 Biopellets vs Carbon Dosing: Two Roads to Low Nutrients Both biopellets and liquid carbon dosing (vodka, vinegar, NoPoX) feed bacteria that consume nitrate and phosphate. The bacteria are then exported via… May 10, 2026 Reef Tank Temperature: Stability, Chillers, and the 78F Sweet Spot Reef stability matters more than the exact target. Most experienced reefers run 77–79°F with daily variance under 1°F.When you need a chillerIf… Reef tools mentioned in this article 🪸 Reef Tank Match QuizFind the right reef archetype for your space and budget.Start quiz → ⚙️ Reef Equipment PlannerGenerate a complete equipment shortlist for your build.Open planner → 🧪 Water Parameter TrackerLog every reading. Catch problems before livestock notice.Open tracker → Reef-keepers’ notes Be helpful, cite your tank specs, and skip the spam — we moderate. Your email never appears publicly. Add to the discussion Cancel replyYour email is never shown publicly. Comments are moderated for spam and welfare violations.Your comment *Name * Email * Website Save my name, email, and website in this browser for the next time I comment.
May 10, 2026 Coral Dipping: How to Stop Aiptasia, Flatworms, and Red Bugs at the Door Every new coral is a potential vector for Aiptasia eggs, flatworms, red bugs, and montipora-eating nudibranchs. Dipping is non-negotiable.Bayer AdvancedActive ingredient imidacloprid.…
May 10, 2026 Biopellets vs Carbon Dosing: Two Roads to Low Nutrients Both biopellets and liquid carbon dosing (vodka, vinegar, NoPoX) feed bacteria that consume nitrate and phosphate. The bacteria are then exported via…
May 10, 2026 Reef Tank Temperature: Stability, Chillers, and the 78F Sweet Spot Reef stability matters more than the exact target. Most experienced reefers run 77–79°F with daily variance under 1°F.When you need a chillerIf…
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