Water / Media
BRS 4 Stage Value 75 GPD RO/DI System
Bulk Reef Supply · $180
fits roughly 5-999 gallon systems
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RODI, Salt, and Filtration Media checked by reef math.
Water quality gear is not glamorous, but it decides how many algae and parameter problems you buy on day one.
Water / Media
BRS 4 Stage Value Plus 75 GPD RO/DI System
Bulk Reef Supply · $225
fits roughly 5-999 gallon systems
Water / Media
BRS 5 Stage 75 GPD RO/DI System
Bulk Reef Supply · $279
fits roughly 30-999 gallon systems
Water / Media
BRS Premium ROX 0.8 Aquarium Carbon 1 lb
Bulk Reef Supply · $25
fits roughly 5-999 gallon systems
Water / Media
BRS Single Body GFO/Carbon Reactor
Bulk Reef Supply · $69
fits roughly 5-150 gallon systems
Water / Media
Instant Ocean Reef Crystals 200 Gallon Mix
Instant Ocean · $179
fits roughly 30-999 gallon systems
Water / Media
Instant Ocean Reef Crystals 50 Gallon Mix
Instant Ocean · $77
fits roughly 30-999 gallon systems
Water / Media
Instant Ocean Sea Salt 50 Gallon Mix
Instant Ocean · $40
fits roughly 5-999 gallon systems
Water / Media
Red Sea Blue Bucket Coral Pro Salt 55 Gallon Mix
Red Sea · $80
fits roughly 30-999 gallon systems
Water / Media
Red Sea Coral Pro Salt 175 Gallon Bucket
Red Sea · $199
fits roughly 55-999 gallon systems
Water / Media
Tropic Marin Pro Reef Salt 55 Gallon Mix
Tropic Marin · $65
fits roughly 5-999 gallon systems
Water / Media
AquaMaxx BioMaxx BioPellet Reactor Standard
AquaMaxx · $189
fits roughly 55-180 gallon systems
Water / Media
Brightwell Aquatics Xport BIO Reef Cubes 1 Gallon
Brightwell Aquatics · $49
fits roughly 30-300 gallon systems
Water / Media
SpectraPure MaxCap 5 Stage 2:1 Manual Flush 90-GPD RO/DI System
SpectraPure · $399
fits roughly 30-999 gallon systems
Water / Media
Tropic Marin Pro Reef Salt 200 Gallon Mix
Tropic Marin · $179
fits roughly 30-999 gallon systems
Professional buying context
- Skipping RODI planning because tap water is cheaper often turns into a more expensive algae fight.
- Check source water, RODI stage count, salt volume, test cadence, and media dosing caution.
- Professional fit checks should validate the catalog value behind "stable reef = pure water + salt supply + measured nutrient export" against the actual tank dimensions, bioload, livestock goal, and maintenance cadence.