Live arrival guarantee Mon–Wed dispatch · next-day delivery Ships from Northern Ireland

WhatsApp us Track order Live arrival policy Login

All categories Fish Corals Invertebrates Aquariums Accessories Food

Account Wishlist 0 Basket

Fish

Popular

Clownfish Tangs & Surgeonfish Angelfish Gobies Wrasses Anthias Basslets Dottybacks Tank Bred Fish WYSIWYG Fish All fish →

A – D

Angelfish Angler & Frogfish Anthias Basslets Batfish Blennies Boxfish Butterflyfish Cardinals Clownfish Damsels Dottybacks Dragonets

F – J

Filefish Flounders Foxface & Rabbitfish Goatfish Gobies Groupers Grunts Hawkfish Jawfish

M – R

Moray Eels Miscellaneous Pipefish Pufferfish Scorpionfish Seahorses Sharks & Rays Snappers

S – W

Squirrel & Soldierfish Sweetlips Tangs & Surgeonfish Tilefish Triggerfish Wrasses

Corals

Shop by type

LPS Corals SPS Corals Soft Corals Coral Frags Coral Packs WYSIWYG Corals All corals →

LPS Corals

Euphyllidae Mussidae Fungiidae Faviidae Poritidae Pectiniidae Dendrophylliidae Agariciidae Trachyphyllidae Merulinidae Oculinidae

SPS Corals

Acropora Montipora Pocillopora Seriatopora Stylophora DJM Grown SPS Frags

Soft Corals

Mushrooms Polyps Leather Corals Gorgonias Xenia Anthelia & Cespitularia Sponges Algae

Invertebrates

Shop by type

Anemones Shrimps Clams Crabs & Lobsters Featherstars & Starfish Sea Urchins Snails All inverts →

More types

Cephalopods Cowries Nudibranch Sea Cucumbers & Sea Pens Sea Hares Symbiose Pairs Tubeworms Brittle Stars

Aquariums

Aquariums & Tanks

All Aquariums Browse all →

Accessories

Filtration

Filters & Reactors Skimmers Pumps UV & Ozone RO Systems

Lighting & Control

Lighting LED Lights Controllers & Monitors Probes & Sensors Heaters Test Equipment

Water Chemistry

Additives Salt Mix Treatments Maintenance Aquascaping & Fragging

Hardware

Plumbing & Hoses Rocks Sand Spare Parts Accessories Other Equipment All accessories →

Food

Fish Food

Frozen Food Pellets & Paste Flakes Enricher Live Food

Coral & Other

Coral Food Nutrition Supplements All food →

Brands

Featured brands

Red Sea EcoTech Marine Tunze ATI Kessil Seachem Salifert Fauna Marin Aquaforest GHL Neptune Systems Deltec All brands →

A – D

Abyzz Adaptive Reef AMS API Aqua Illumination AquaCeramic Aquadip Aquadriver Aquaforest Aquarium Munster Arka ATI ATM AVIDAQUA Back to Nature Bassleer Biofish Blue Life USA BLV Boyd Enterprises Building an Obsession Calcean Carib Sea Colombo Coral Essentials Coral RX D-D Dastaco Daytime De Jong Aquaculture Deltec DJM DVH

E – L

Easy Reefs EcoSystem Aquarium EcoTech Marine ESHA Evolution Aqua Fauna Marin Flipper Focustronic Gemini GENESIS GHL Giesemann Grotech Gryphon Hanna Hydrospace ITC Jecod / Jebao Kamoer Kessil Korallen Zucht LD Aquaristik Loc-Line LYOX

M – R

Magfloat Marco Rocks MAT Natures Ocean Neptune Systems New Life Spectrum NYOS Ocean Art Octo Pacific Sun Pax Bellum Pearl Aqua Philips Polyp Lab Premium Reefing QFI Real Reef Rocks Red Sea Reef Factory Reef Interests Reef Kinetics Reef Zlements Rossmont Rowa Royal Exclusive Ruto

S – Z

Salifert Sander Schego Seachem Seneye Sicce Simplicity TECO Theiling Triton Tropic Marin Tunze Two Little Fishies Vertex Vitalis Vivid Creative Aquatics Wave Xepta

Sale New arrivals

Fish

Corals

Invertebrates

Aquariums

Accessories

Brands

Food

Sale ✦ New arrivals

My account WhatsApp us Live arrival policy Track order

Skip to content

Manta Rea Aquatics

$Refractometer Optical$

Home / Dry Goods / Test equipment

Refractometer Optical

£56.84

Out of stock

SKU: GROTECH-97000 Categories: Dry Goods, Test equipment Tag: Grotech Brand: Grotech

Related products

Controller MOW22

Controller accessories

Controller MOW22

£68.34

BF POWER-FISH - 20 ml

Dry Goods

BF POWER-FISH – 20 ml

£5.49

Replacement Hypercarbo fast (2units)

Dry Goods

Replacement Hypercarbo fast (2units)

£12.14

BF FOODBOX shrimp - 4x60g

Dry Goods

BF FOODBOX shrimp – 4x60g

£18.86

Controller MLW20

Controller accessories

Controller MLW20

£63.78

SPS Fragstones - Large - 20 pcs

Aquascaping & Fragging

SPS Fragstones – Large – 20 pcs

£12.80

NEW DKI marine Ø 0.6 mm - 70g

Dry Goods

NEW DKI marine Ø 0.6 mm – 70g

£9.70

Replacement Blue Sponges (2units)

Dry Goods

Replacement Blue Sponges (2units)

£12.36

Search for:

Login

Limited offer

10% off your first order

Sign up for our newsletter and we'll send your discount code straight away. No spam — just reef keeping updates worth reading.

First Name *

Email Address *

No thanks, I'll pay full price

You're in!

Use this code at checkout to get 10% off your first order:

Hello10

Valid on your first order. Single use. Cannot be combined with other offers.

Manta Rea Aquatics

Specialist saltwater livestock, corals, and reef equipment — sourced with expertise, shipped with care.

Shop

Fish
Corals
Inverts
Aquariums
Dry Goods

Help

Shipping info
Live arrival policy
FAQ
Contact us

Learn

Care guides
FAQ
Compatibility checker

Connect

Instagram
Facebook
WhatsApp
Newsletter

© 2026 Manta Rea Aquatics. All rights reserved. · Designed, developed, and powered by RC Aquatics

Privacy policy Terms & conditions Cookie policy DOA policy