ARKA - Gel Filter - Filter starter bacteria, instant biological activity, improved filter performance, extended cleaning intervals, breaks down detritus & pollutants,

Instant biological filtration - gel formula with live bacteria adheres to filter media - prevents washout & starts filter cycle immediately - ideal after water changes, new setups or meds. Visibly reduces mulm, food waste & organic debris - supports clear water, stable oxygen levels & reduced odours - ideal for tanks with sensitive livestock. Breaks down ammonium & nitrite biologically - stabilises nitrogen cycle & protects fish, shrimp & fry - perfect for breeding tanks & delicate species. For all tank types - freshwater & marine, nano, reef, coldwater & community setups - increases filter lifespan, reduces maintenance & supports stable conditions. Professional ARKA biotechnology - high-concentration formula, easy to dose - no chemicals, 100% natural - developed from aquaculture research for hobby & pro use.