Aquadip Active Start

$1.94 ~~$2.99~~ In stock

Filter Starter & Bacteria

AQUADIP Active Start promotes rapid growth of microorganisms which will speed up the biological settling-in time of your aquarium and filter. It improves and stabilises the water quality and creates the perfect balance to introduce (new) fish after a water or filter change.

Available Sizes:

100ml
250ml
500ml
1L

with and without dosing pump

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Customer Reviews (5.0 / 5 · 4 reviews)

George ★★★★★ Oct 21, 2026

Added this to my established tank after a water change and noticed the biological filter seemed more stable within a few days. The nitrite spike I was expecting never really hit, which saved me a lot of worry.

Madison ★★★★★ Oct 20, 2026

I was worried about cycling my new tank, but within a week of adding this bacteria starter, my ammonia and nitrite levels dropped to zero. The microorganisms really do speed up the biological settling-in time as described.

Ella ★★★★★ Oct 19, 2026

My tap water parameters looked fine, but the tank just wasn't cycling until I used this bacteria starter—the nitrite spike finally appeared on schedule. It's really clear liquid, no smell, and it mixed in easily.