Product Overview

A live culture of Porphyridium cruentum, a unicellular red microalga.

Available Sizes

16 oz, 32 oz. Choose your size before adding to cart.

Care & Handling

Follow the label for storage, introduction, and dosing. Use as supplemental food or compatible culture starter material. For packs, follow each component’s directions. Introduce conservatively and monitor water quality. Culture density and life stages vary; establishment, reproduction, complete nutrition, and aquarium results are not guaranteed.

Shipping & Delivery

Live Cultured 2-Day Shipping: $49.99. Excluded from standard free-shipping offers. Ships Monday–Wednesday. Allow up to 3 business days for preparation; 2-day transit begins after dispatch. Weather, holidays, culture readiness, and carrier conditions may affect dispatch.