Guides, Tools and Resources
Everything we have built to help you get the most from live marine nutrition. Interactive tools, step-by-step culture guides, and troubleshooting from 18+ years of aquaculture experience in Wales.
Interactive Tools
Find the right product, dose, and routine
Quick interactive tools that give you a personalised answer in under a minute. No account needed.
Dosing Calculator
Enter your tank size, choose your product, and get the exact dose. Works for all Reefphyto phytoplankton products.
ToolPhytoplankton Finder
Not sure which phytoplankton is right for your setup? Answer four questions and get a recommendation from Darren.
ToolFeeding Schedule Builder
Build a personalised weekly feeding routine matched to your tank, livestock, and the Reefphyto products you use.
ToolMandarin Keeper Hub
Everything you need to keep a mandarin dragonet alive. Guides, live copepods, ebooks, feeding systems, and expert advice in one place.
HubCulture Guides
Step-by-step guides for home culturing
Complete setup, feeding, harvesting, and maintenance guides based on the same methods we use at production scale. Each guide includes a downloadable PDF.
Copepod Culture Guide
Everything you need to set up, feed, harvest, and maintain a Tigriopus californicus culture at home.
GuidePhytoplankton Culture Guide
How to grow Nannochloropsis at home. Setup, lighting, f/2 nutrients, harvesting, and maintaining a healthy culture.
GuideRotifer Culture Guide
Establish and maintain a Brachionus plicatilis culture for breeding, fry rearing, and reef feeding.
GuideBrine Shrimp Hatching Guide
Complete step-by-step guide to hatching brine shrimp at home. Equipment, water prep, hatching, and harvesting.
GuideTroubleshooting
Something not right? Start here
Diagnose and fix the most common copepod, phytoplankton, and rotifer culture problems with practical guidance from Darren.
Can't find what you need?
Darren answers every question personally. No scripts, no bots, just 18+ years of hands-on experience.
Ask Darren Directly