Aquael Shrimp Set Day & Night 20 – Black Nano Aquarium German quality the Doctor 5 applies a

the Doctor 5 applies a controlled electrical voltage to an in-tank electrode

It's roughly three times more concentrated than standard remineralizers

it strikes a practical middle ground between the tiny nano diffusers and the larger units meant for big display tanks

No — this listing is the pump unit only

Is this diffuser fragile

Aquael Shrimp Set Day & Night 20 – Black Nano Aquarium German quality the Doctor 5 applies aThe Aquael Shrimp Set Day & Night 20 is a complete 20 L nano aquarium kit in black, designed specifically for shrimp, bettas, and small planted aquariums. The set includes a Leddy Smart Day & Night LED light with three modes (Day, Daybreak, Night), a Turbo Mini internal filter (320 L h, adjustable flow and direction), and a Fix 2 heater preset to 25C. The glass lid features Aquael's Smart Open System for easy access without removing the lid entirely.