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Red Sea’s Foundation Elements provides a complete solution for maintaining and replenishing the foundation building blocks of the reef aquarium by providing complete and balanced supplements, formulated to work together for long-term use and without changing the ionic balance of the water.

At AquaCave, we offer some of the best selection & best prices on Red Sea Reef Care Additives and supplements for your marine, reef, and freshwater aquarium.

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  • Red Sea 4 Part RCP - Lrg 160 gal. Red Sea 4 Part RCP - Lrg 160 gal.

    Red Sea

    Red Sea 4 Part RCP Reef Care Program - Lrg 160 gal.

    Red Sea 4 Part RCP - Lrg 160 gal. Red Sea's long-term research has revealed that in most reef systems without a refugium, the Major, Minor, and Trace elements and even the Alkalinity components are used up in a relatively fixed ratio.Since Calcium...

    $179.95
  • Red Sea Reef Energy AB+ Plus Coral Nutrition, 5 Liter Red Sea Reef Energy AB+ Plus Coral Nutrition, 5 Liter

    Red Sea

    Red Sea Reef Energy AB+ Plus Coral Nutrition, 5 Liter

    Red Sea Reef Energy AB+ Plus Coral Nutrition, 5 Liter An all-in-one superfood that will have your corals thanking you, delivering better growth, higher resilience, brighter colors, greater ease of use with automatic dosers, and minimal over skimming...

    $155.00
  • Red Sea NO3:PO4-X Nitrate & Phosphate reducer, 5 Liter

    Red Sea

    Red Sea NO3:PO4-X Nitrate & Phosphate reducer, 5 Liter

    Red Sea NO3:PO4-X Nitrate & Phosphate reducer, 5 LITER NO3:PO4-X Contains a unique complex of carbons that are used by nutrient-reducing bacteria. Each carbon is utilized by different strains of microorganisms while maintaining the specific Carbon:...

    $129.00
  • Red Sea 4 Part RCP - Med 80 gal. Red Sea 4 Part RCP - Med 80 gal.

    Red Sea

    Red Sea 4 Part RCP Reef Care Program - Med 80 gal.

    Red Sea 4 Part RCP - Med 80 gal. Red Sea's long-term research has revealed that in most reef systems without a refugium, the Major, Minor, and Trace elements and even the Alkalinity components are used up in a relatively fixed ratio.Since Calcium is...

    $109.95
  • Red Sea Reef Foundations A (Ca/SR) 5 LITERS Red Sea Reef Foundations A (Ca/SR) 5 LITERS

    Red Sea

    Red Sea Reef Foundations A (Ca/SR) 5 LITERS

    Red Sea Reef Foundations A (Ca/SR) 5 LITERS Calcium and strontium complex for balanced formation of the coral skeletonCa | Sr Calcium, magnesium, strontium and carbonate are the basic foundation elements of coral skeletons.All of these elements need to...

    $109.00
  • Red Sea Reef Foundations B (Alk) 5 liter Red Sea Reef Foundations B (Alk) 5 liter

    Red Sea

    Red Sea Reef Foundations B (Alk) 5 liter

    Red Sea Reef Foundations B (Alk) 5 liter  Carbonate & buffer complex for balanced formation of Coral SkeletonAlk Calcium, magnesium, strontium and carbonate are the basic foundation elements of coral skeletons.All of these elements need to be...

    $109.00
  • Red Sea Reef Foundations C (MG) 5 LITERS Red Sea Reef Foundations C (MG) 5 LITERS

    Red Sea

    Red Sea Reef Foundations C (MG) 5 LITERS

    Red Sea Reef Foundations C (MG) 5 LITERS A successful coral reef aquarium depends on how well you maintain the water parameters which are the key to a stable coral environment. All of the elements found in natural seawater play a role in providing...

    $109.00
  • Red Sea Skeletal elements ( Reef Foundation ABC+) - 5kg Red Sea Skeletal elements ( Reef Foundation ABC+) - 5kg

    Red Sea

    Red Sea Skeletal elements ( Reef Foundation ABC+) - 5kg

    Red Sea Skeletal elements ( Reef Foundation ABC+) - 5kg Red Sea’s Reef Foundation ABC+ is a uniquely formulated powder supplement containing all of the elements of Foundation A, B & C, plus Red Sea’s Coral Colors A & B (potassium, boron, iodine...

    $74.99
  • Red Sea 4 Part RCP - Sml 40 gal. Red Sea 4 Part RCP - Sml 40 gal.

    Red Sea

    Red Sea 4 Part RCP Reef Care Program - Sml 40 gal.

    Red Sea 4 Part RCP - Sml 40 gal. Red Sea's long-term research has revealed that in most reef systems without a refugium, the Major, Minor, and Trace elements and even the Alkalinity components are used up in a relatively fixed ratio.Since Calcium is...

    $69.95
  • Red Sea Reef Energy AB+ Plus Coral Nutrition, 1000 ml Red Sea Reef Energy AB+ Plus Coral Nutrition, 1000 ml

    Red Sea

    Red Sea Reef Energy AB+ Plus Coral Nutrition, 1000 ml

    Red Sea Reef Energy AB+ Plus Coral Nutrition, 1000 ml An all-in-one superfood that will have your corals thanking you, delivering better growth, higher resilience, brighter colors, greater ease of use with automatic dosers, and minimal over skimming...

    $39.99
  •  Red Sea Reef Foundation A Dry (Ca/Sr) - 1kg   Red Sea Reef Foundation A Dry (Ca/Sr) - 1kg

    Red Sea

    Red Sea Reef Foundation A Dry (Ca/Sr) - 1kg

    Red Sea Reef Foundation A Dry (Ca/Sr) - 1kg Calcium, Magnesium, Strontium, and Carbonate are the basic foundation elements or coral skeletons. All of these elements need to be available in balanced proportions for coral health and growth. Reef...

    $31.99
  •  Red Sea Reef Foundation C Dry (Mg) - 1kg  Red Sea Reef Foundation C Dry (Mg) - 1kg

    Red Sea

    Red Sea Reef Foundation C Dry (Mg) - 1kg

    Red Sea Reef Foundation C Dry (Mg) - 1kg Calcium, Magnesium, Strontium, and Carbonate are the basic foundation elements or coral skeletons. All of these elements need to be available in balanced proportions for coral health and growth. Reef...

    $31.99
  • Red Sea Reef Foundation B Dry (Alk) - 1kg Red Sea Reef Foundation B Dry (Alk) - 1kg

    Red Sea

    Red Sea Reef Foundation B Dry (Alk) - 1kg

    Red Sea Reef Foundation B Dry (Alk) - 1kg Calcium, Magnesium, Strontium, and Carbonate are the basic foundation elements or coral skeletons. All of these elements need to be available in balanced proportions for coral health and growth. Reef...

    $31.99
  • Red Sea Skeletal elements ( Reef Foundation ABC+) - 1kg

    Red Sea

    Red Sea Skeletal elements ( Reef Foundation ABC+) - 1kg

    Red Sea Skeletal elements ( Reef Foundation ABC+) - 1kg Red Sea’s Reef Foundation ABC+ is a uniquely formulated powder supplement containing all of the elements of Foundation A, B & C, plus Red Sea’s Coral Colors A & B (potassium, boron, iodine...

    $31.99
  • Red Sea Reef Foundation Liquid Starter Kit, 3 x 250 ml.

    Red Sea

    Red Sea Reef Foundation Liquid Starter Kit, 3 x 250 ml.

    Red Sea Reef Foundation Liquid Starter Kit, 3 x 250 ml.A, B, C Reef Foundation C (Mg): A blend of Magnesium salts. Concentration: 1ml will raise the Mg level of 100 liters (25gal) by 1ppm.Reef Foundation® ACalcium and strontium complex for balanced...

    $28.99
  • Red Sea Reef Foundations A (Ca/SR) 1 LITER Red Sea Reef Foundations A (Ca/SR) 1 LITER

    Red Sea

    Red Sea Reef Foundations A (Ca/SR) 1 LITER

    Reef Foundation® A Calcium and strontium complex for balanced formation of the coral skeletonCa | Sr Calcium, magnesium, strontium and carbonate are the basic foundation elements of coral skeletons.All of these elements need to be available in balanced...

    $28.99
  • Red Sea Reef Foundations B (Alk) 1 LITER

    Red Sea

    Red Sea Reef Foundations B (Alk) 1 LITER

    Reef Foundation® BCarbonate & buffer complex for balanced formation of Coral SkeletonAlk Calcium, magnesium, strontium and carbonate are the basic foundation elements of coral skeletons.All of these elements need to be available in balanced...

    $28.99
  • Red Sea Reef Foundations C (MG) 1 LITER

    Red Sea

    Red Sea Reef Foundations C (MG) 1 LITER

    Red Sea Reef Foundations C (MG) 1 LITER A successful coral reef aquarium depends on how well you maintain the water parameters which are the key to a stable coral environment. All of the elements found in natural seawater play a role in providing...

    $28.99
  • Red Sea Reef Colors ABCD 100ml 4-Pack Red Sea Reef Colors ABCD 100ml 4-Pack

    Red Sea

    Red Sea Reef Colors ABCD 100ml 4-Pack

    Red Sea Reef Colors ABCD 100ml 4-Pack  Red Sea Coral Colors A, B, C and D supplements contain the 31 minor and trace elements present in the skeleton and soft tissue of all corals. A - halogens (I2, Br, F2), B - potassium and boron, C - Fe and 7...

    $27.99
  • Red Sea Reef Energy AB+ Plus Coral Nutrition, 500 ml Red Sea Reef Energy AB+ Plus Coral Nutrition, 500 ml

    Red Sea

    Red Sea Reef Energy AB+ Plus Coral Nutrition, 500 ml

    Red Sea Reef Energy AB+ Plus Coral Nutrition, 500 ml An all-in-one superfood that will have your corals thanking you, delivering better growth, higher resilience, brighter colors, greater ease of use with automatic dosers, and minimal over skimming...

    $27.99
  • Red Sea NO3:PO4-X Nitrate & Phosphate reducer, 500 ml

    Red Sea

    Red Sea NO3:PO4-X Nitrate & Phosphate reducer, 500 ml.

    Red Sea NO3:PO4-X Nitrate & Phosphate reducer, 500 ml. NO3:PO4-X Contains a unique complex of carbons that are used by nutrient reducing bacteria. Each carbon is utilized by different strains of microorganisms while maintaining the specific Carbon:...

    $23.99
  • Red Sea Reef Energy AB+ Plus Coral Nutrition, 250 ml Red Sea Reef Energy AB+ Plus Coral Nutrition, 250 ml

    Red Sea

    Red Sea Reef Energy AB+ Plus Coral Nutrition, 250 ml

    Red Sea Reef Energy AB+ Plus Coral Nutrition, 250 ml An all-in-one superfood that will have your corals thanking you, delivering better growth, higher resilience, brighter colors, greater ease of use with automatic dosers, and minimal over skimming...

    $20.49
  •  Red Sea Reef Colors D (Trace) 500 ML

    Red Sea

    Red Sea Reef Colors D (Trace) 500 ML

    Red Sea Reef Colors D (Trace) 500 MLReef Color D: A complex of 18 trace elements. These 18 elements (out of all the trace elements in NSW) participate in the metabolic processes inside a coral’s skeleton and soft tissue. D elements are related to...

    $19.99
  • Red Sea KH Coralline Gro, 500 ml Red Sea KH Coralline Gro, 500 ml

    Red Sea

    Red Sea KH Coralline Gro, 500 ml

    Red Sea KH Coralline Gro, 500 ml Coralline algae will grow naturally, without any special supplements in all reef systems optimized for hard corals.  KH Coralline Gro is a complex of carbonate buffers, potassium and trace elements such as iron,...

    $19.99
  • Red Sea Reef Colors A (Iodina/Halogens) 500 ML

    Red Sea

    Red Sea Reef Colors A (Iodina/Halogens) 500 ML

    Red Sea Reef Colors A (Iodina/Halogens) 500 MLRed Sea Reef Colors A (Iodina/Halogens) 500 MLReef Color A: A complex of halogens (Iodine, Bromine and Fluorine). The halogens act both as antioxidants and oxidative agents within the soft tissue and mucus...

    $19.99
  • Red Sea Reef Colors B (Potassium) 500 ML

    Red Sea

    Red Sea Reef Colors B (Potassium) 500 ML

    Red Sea Reef Colors B (Potassium) 500 MLRed Sea Reef Colors B (Potassium) 500 MLReef Color B: A complex of Potassium and Boron. Potassium plays an essential role in the transportation of coral nutrients within the soft tissue (including the nutrients...

    $19.99
  • Red Sea Reef Colors C (Iron/Trace) 500 ML

    Red Sea

    Red Sea Reef Colors C (Iron/Trace) 500 ML

    Red Sea Reef Colors C (Iron/Trace) 500 MLReef Color C: A complex of 8 “light” metals that includes Iron, Manganese, Cobalt, Copper, Aluminum, Zinc, Chrome and Nickel. These micro-elements are essential to many bio-chemical metabolic...

    $19.99
  • Red Sea Reef Foundations A (Ca/SR) 500 ML Red Sea Reef Foundations A (Ca/SR) 500 ML

    Red Sea

    Red Sea Reef Foundations A (Ca/SR) 500 ML

    Reef Foundation® A Calcium and strontium complex for balanced formation of the coral skeletonCa | Sr Calcium, magnesium, strontium and carbonate are the basic foundation elements of coral skeletons.All of these elements need to be available in...

    $19.99
  • Red Sea Reef Foundations B (Alk) 500 ML

    Red Sea

    Red Sea Reef Foundations B (Alk) 500 ML

    Reef Foundation® BCarbonate & buffer complex for balanced formation of Coral SkeletonAlk Calcium, magnesium, strontium and carbonate are the basic foundation elements of coral skeletons.All of these elements need to be available in balanced...

    $19.99
  • Red Sea Reef Foundations C (MG) 500 ML

    Red Sea

    Red Sea Reef Foundations C (MG) 500 ML

    Red Sea Reef Foundations C (MG) 500 MLA successful coral reef aquarium depends on how well you maintain the water parameters which are the key to a stable coral environment. All of the elements found in natural seawater play a role in providing optimal...

    $19.99
  • Red Sea Reef Energy B (Aminovit nutrition) - 500ml

    Red Sea

    Red Sea Reef Energy B (Aminovit nutrition) - 500ml

    Red Sea Reef Energy B (Aminovit nutrition) - 500ml Reef Energy B is a highly concentrated complex of vitamins & amino acids that were found to be the limiting factors in the nutritional demands of corals and other invertebrates. Red Sea Reef...

    $14.99
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