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  • API Algaefix Freshwater, 8 oz.

    API

    API Algaefix Freshwater, 8 oz.

    At AquaCave, we offer some of the best selection & best prices on API Algaefix Freshwater for you marine, reef and freshwater aquarium.API Algaefix Freshwater, 8 oz.A revolutionary new product specially developed to control many types of algae in...

    $12.48
  • API Stress Coat + 16 oz. API Stress Coat + 16 oz.

    API

    API Stress Coat + 16 oz.

    API STRESS COAT + 16 OZ. STRESS COAT, with the healing power of aloe vera, is scientifically proven to reduce fish stress and heal damaged tissue. ... Helps heal torn fins and skin wounds. Reduces electrolyte loss. Also works instantly to...

    $11.99
  • DrTim's Aquatics Ammonium Chloride, 8oz. DrTim's Aquatics Ammonium Chloride, 8oz.

    Dr. Tim's Aquatics

    DrTim's Aquatics Ammonium Chloride, 8oz.

    DrTim's Aquatics Ammonium Chloride, 8oz. Ammonia for fishless cyclingOne of our most popular products is our Ammonium Chloride for fishless cycling. As the term implies fishless cycling means without fish but there needs to be a source of ammonia for...

    $11.99
  •  Seachem Reef Complete, 500 ml.   Seachem Reef Complete, 500 ml.

    Seachem

    Seachem Reef Complete, 500 ml.

    Reef Complete is a concentrated (160,000 mg/L) optimized blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater without affecting pH...Seachem Reef Complete, 500 ml.Reef Complete™ is a concentrated...

    $11.95
  •  Seachem Reef Plus, 500 ml.   Seachem Reef Plus, 500 ml.

    Seachem

    Seachem Reef Plus, 500 ml.

    Seachem Reef Plus, 500 ml. SeaChem Reef Plus ™ is a full spectrum reef supplement containing trace elements, vitamins, and amino acids demonstrated to have a positive impact on the growth of corals and other desirable reef creatures. Reef...

    $11.95
  • ESV Strontium Chloride Solution (20%), 16 oz. ESV Strontium Chloride Solution (20%), 16 oz.

    E.S.V.

    ESV Strontium Chloride Solution (20%), 16 oz.

    ESV Strontium Chloride Solution (20%), 16 oz. Maintain dissolved strontium chloride levels in your saltwater aquarium. Strontium chloride, like calcium chloride, has the potential to lower alkalinity levels after prolonged use. Be sure to monitor...

    $11.95
  • Kent Marine Tech M Magnesium, 16 oz.

    Kent Marine

    Kent Marine Tech M Magnesium, 16 oz.

    Kent Marine Tech M Magnesium, 16 oz. Tech-M Magnesium supplement is a ionically balanced product which will safely raise the magnesium level in any marine system without upsetting the ionic balance of the system. Tech-M is very concentrated, containing...

    $11.95
  • Seachem Reef Advantage Strontium 600 gr. Seachem Reef Advantage Strontium 600 gr.

    Seachem

    Seachem Reef Advantage Strontium 600 gr.

    Seachem Reef Advantage Strontium 600 gr. Reef Advantage Strontium™ restores and maintains strontium to levels found in natural sea water. Strontium is utilized by corals in the same manner as calcium and holds a similar importance in...

    $11.95
  • Seachem Reef Calcium, 500 ml. Seachem Reef Calcium, 500 ml.

    Seachem

    Seachem Reef Calcium, 500 ml.

    Seachem Reef Calcium, 500 ml.Reef Calcium™ is a concentrated (50,000 mg/L) bioavailable polygluconate complexed calcium intended to maintain calcium in the reef aquarium without altering pH. Polygluconate complexation confers several benefits: it...

    $11.95
  • Seachem Reef Iodine 500 ml. Seachem Reef Iodine 500 ml.

    Seachem

    Seachem Reef Iodine 500 ml.

    Seachem Reef Iodine 500 ml. Reef Iodide is a concentrated (8,000 mg/L) stabilized potassium iodide source for reef aquaria that will restore and maintain iodide levels to those found in natural sea water. It is formulated to provide a safe source...

    $11.95
  • Seachem Reef Strontium 500 ml. Seachem Reef Strontium 500 ml.

    Seachem

    Seachem Reef Strontium 500 ml.

    Reef Strontium is intended to restore and maintain strontium to levels found in natural seawater without affecting pH. Strontium is utilized in the same manner as calcium and holds a similar importance in maintaining a vigorous level of growth.Reef...

    $11.95
  • Seachem Reef Trace 500 ml. Seachem Reef Trace 500 ml.

    Seachem

    Seachem Reef Trace 500 ml.

    Seachem Reef Trace 500 ml. Reef Trace supplies a broad range of trace elements demonstrated to be necessary for proper reef health and growth.Trace elements are normally depleted by utilization, oxidation and precipitation. The latter two processes...

    $11.95
  • Two Little Fishes Calcium Concentrate 500ml.

    Two Little Fishes

    Two Little Fishes Calcium Concentrate 500ml.

    No Description AvailableTwo Little Fishies Calcium Concentrate Julian Sprungs Reef Formula makes it easy to rapidly adjust the calcium level in an aquarium. The long-term maintenance of calcium levels is best managed with a balanced ion supplement such...

    $11.63
  • Seachem Reef Carbonate 500 ml. Seachem Reef Carbonate 500 ml.

    Seachem

    Seachem Reef Carbonate 500 ml.

    Reef Carbonate is a concentrated (4,000 meq/L) optimized blend of carbonate and bicarbonate salts designed to restore and maintain alkalinity in the reef aquarium...Reef Carbonate is a concentrated (4,000 meq/L) optimized blend of carbonate and...

    $10.99
  • API Stress Coat MARINE 16 Oz. API Stress Coat MARINE 16 Oz.

    API

    API Stress Coat MARINE 16 Oz.

    API Stress Coat MARINE 16 Oz. MARINE STRESS COAT® Instantly removes chlorine, chloramines, and ammonia from tap water to make the water safe for fish as well as promotes regeneration of damaged fish tissue through the healing power ofAloe Vera...

    $10.98
  • ESV Calcium Chloride, 400 gr. ESV Calcium Chloride, 400 gr.

    E.S.V.

    ESV Calcium Chloride, 400 gr.

    ESV Calcium Chloride, 400 gr. Maintaining proper calcium levels is essential to maintaining a healthy tank and promoting fast coral growth. ESV Calcium Chloride is a pure inorganic compound used to raise dissolved calcium levels in your tank.ESV Calcium...

    $10.95
  • UltraLife Red Slime Stain Remover NANO Treats 25 Gal UltraLife Red Slime Stain Remover NANO Treats 25 Gal

    UltraLife

    UltraLife Red Slime Stain Remover NANO Treats 25 Gal

    UltraLife Red Slime Stain Remover NANO Treats 25 Gal Keep your aquarium clean and clear with the Ultralife Red Slime Stain Remover Nano Aquarium Cleaner. Formulated with a special blend of natural cellular matter, select biological accelerators and...

    $10.95
  • DrTim's Aquatics MARINE First Defense 4oz. DrTim's Aquatics MARINE First Defense 4oz.

    Dr. Tim's Aquatics

    DrTim's Aquatics MARINE First Defense 4oz.

    DrTim's Aquatics MARINE First Defense 4oz. Changing the environment of a fish causes stress that robs the fish of essential nutrients and can weaken their immune system. First Defense is scientifically designed to provide stress relief and support the...

    $10.59
  •  Fritz Mardel Maracyn Oxy 4 oz.   Fritz Mardel Maracyn Oxy 4 oz.

    Fritz

    Fritz Mardel Maracyn Oxy 4 oz.

    Fritz Mardel Maracyn Oxy 4 Oz. For infections of: True fungal infections on fish and eggs (whitish tufts of cotton-like material) and bacterial diseases. Maracyn®Oxy successfully controls fungus infections caused by Saprolegnia,...

    $10.19
  • Ruby Reef Kick-Ich Pro 8 oz. Ruby Reef Kick-Ich Pro 8 oz.

    Ruby Reef

    Ruby Reef Kick-Ich Pro 8 oz.

    Ruby Reef Kick-Ich Pro 8 oz. KICK-ICH is a treatment designed to be used in the display tank for the control of Ich on fish (a.k.a. “white spot disease) in marine and freshwater aquaria. It has been scientifically formulated to treat infectious stage of...

    $9.99
  • Brightwell Aquatics BoroChrom, 500 ml. / 17 oz.

    Brightwell Aquatics

    Brightwell Aquatics BoroChrom, 500 ml. / 17 oz.

    Brightwell Aquatics BoroChrom, Concentrated Boron Solution for Improved Coralline Growth & Red Coloration in ZooxanthellateIn natural seawater, boron is a non-conservative major element with a concentration of ~4.54 ppm. Boron plays an active role in...

    $7.96
  • Joes Juice Stop Aiptasia Kit Joes Juice Stop Aiptasia Kit

    Joes Juice

    Joes Juice Stop Aiptasia Kit

    Joes Juice Stop Aiptasia Kit Joes Juice is an easy to use Reef safe Aiptasia Solution. Simply feed the anemone a small amount of Joes Juice and watch the results within minutes. Joes juice is available worldwide since 2003.· Reef Safe· Feeding Aiptasia...

    $9.95
  • Seachem Metroplex 5 gr. Seachem Metroplex 5 gr.

    Seachem

    Seachem Metroplex 5 gr.

    Seachem Metroplex 5 gr. Metronidazole is an effective and safe treatment for several protozoan and anaerobic bacterial diseases of fish (Cryptocaryon, Hexamita, Ichthyophthirius). It does not adversely affect the filter bed and is easily removed with...

    $9.95
  • Seachem SulfaPlex 10 gr. Seachem SulfaPlex 10 gr.

    Seachem

    Seachem SulfaPlex 10 gr.

    Seachem SulfaPlex 10 gr. Treats many bacterial, fungal, and protozoan infestations Broad-spectrum antibiotic and anti-fungal medication Most effective of the sulfa drugs in saltwater Absorbed through gills SulfaPlex™ is an effective and safe...

    $9.95
  • Two Little Fishes Bactiv8 NPX, 250 ml.

    Two Little Fishes

    Two Little Fishes Bactiv8 NPX, 250 ml.

    Two Little Fishes Bactiv8 NPXTwo Little Fishies Bactiv8 NPX promotes healthy biological filtration by enhancing nitrification and denitrification, as well as promoting the decomposition of organic waste in heavily stocked aquariums. Bactiv8 contains...

    $9.26
  •  Ruby Reef HydroPlex 8 oz.  Ruby Reef HydroPlex 8 oz.

    Ruby Reef

    Ruby Reef HydroPlex 8 oz.

    Ruby Reef HydroPlex 8 oz. HYDROPLEX is an extremely broad spectrum dip for new arrivals. A simple 10 minute dip is all it takes toeliminate problems which can be brought on by fish being introduced into the display tank.Due to its excellent penetrative...

    $8.99
  • Seachem Focus 5 gr. Seachem Focus 5 gr.

    Seachem

    Seachem Focus 5 gr.

    Seachem Focus 5 gr. Focus is an antibacterial polymer for internal infections of fish. It may be used alone or mixed with other medications to make them palatable to fish and greatly reduce the loss of medication to the water through diffusion. For use...

    MSRP: $9.99
    $8.99
  • Seachem ENTICE Appetite Stimulant, 250 ml. Seachem ENTICE Appetite Stimulant, 250 ml.

    Seachem

    Seachem ENTICE Appetite Stimulant, 250 ml.

    Seachem ENTICE Appetite Stimulant, 250 ml. Entice is an all natural scent and flavor enhancer for finicky eaters. Simply soak any food item in Entice to attract the interest of finicky eaters. Ideal for all marine and freshwater fish.Directions: Briefly...

    $8.95
  • Two Little Fishes Magnesium Concentrate 500ml.

    Two Little Fishes

    Two Little Fishes Magnesium Concentrate 500ml.

    No Description AvailableTwo Little Fishies Magnesium Concentrate is a solution that contains the element magnesium, an essential pH-stabilizing component of the seawater buffering system. Magnesium is also important for the operation of various cellular...

    $8.81
  • DrTim's Aquatics MARINE Eco-Balance, 4oz. DrTim's Aquatics MARINE Eco-Balance, 4oz.

    Dr. Tim's Aquatics

    DrTim's Aquatics MARINE Eco-Balance, 4oz.

    DrTim's Aquatics MARINE Eco-Balance, 4oz. Research has demonstrated that friendly probiotic bacteria are key to maintaining a balanced, healthy aquarium environment. The normal processes in an aquarium upset this balance, which can allow unfriendly...

    $7.99
  • Hikari Metro+ 3.5 oz - Treats 100 gallons Hikari Metro+ 3.5 oz - Treats 100 gallons

    Hikari

    Hikari Metro+ 3.5 oz - Treats 100 gallons

    Hikari Metro+ Multi Purpose Treatment 3.5 oz. Effective treatment, containing Metronidazole, to help treat hole-in-the-head and lateral line disease. It has a slime-coat replacer to accelerate the healing of infected external regions for freshwater,...

    $7.99
  • DrTim's Aquatics FRESHWATER First Defense, 8 oz DrTim's Aquatics FRESHWATER First Defense, 8 oz

    Dr. Tim's Aquatics

    DrTim's Aquatics FRESHWATER First Defense, 8 oz

    DrTim's Aquatics FRESHWATER First Defense, 8 oz Create a calm and restorative place for your fish to call home with Dr. Tim’s Freshwater First Defense Aquarium Cleaner. This freshwater cleaner is designed to help your fish adapt to a new environment by...

    $7.95
  •  Fritz Mardel Coppersafe 4 oz.   Fritz Mardel Coppersafe 4 oz.

    Fritz

    Fritz Mardel Coppersafe 4 oz.

    Fritz Mardel Coppersafe 4 oz Chelated Copper Treatment for the Infections of: ICH Flukes (Gyrodactylus) Anchor worms Velvet/Protozoan diseases other external parasites. Coppersafe® solution remains active for over one month in the...

    $7.64
  • DrTim's Aquatics Ammonium Chloride, 4oz. DrTim's Aquatics Ammonium Chloride, 4oz.

    Dr. Tim's Aquatics

    DrTim's Aquatics Ammonium Chloride, 4oz.

    DrTim's Aquatics Ammonium Chloride, 4oz. Ammonia for fishless cyclingOne of our most popular products is our Ammonium Chloride for fishless cycling. As the term implies fishless cycling means without fish but there needs to be a source of ammonia for...

    $6.99
  • Two Little Fishes Iodine Concentrate 250ml.

    Two Little Fishes

    Two Little Fishes Iodine Concentrate 250ml.

    Two Little Fishes Iodine Concentrate 250ml. Two Little Fishies Iron Concentrate is a solution that contains the elements iron and manganese, which are essential to the health of all plants, including the symbiotic zooxanthellae in corals and sea...

    $6.75
  • Two Little Fishes Strontium Concentrate 250ml.

    Two Little Fishes

    Two Little Fishes Strontium Concentrate 250ml.

    No Description AvailableFor aquariums with dense growth of reef building corals, this supplement provides an extra boost of strontium that enhances the deposition of calcareous skeletons. Does not contain molybdenum. 250ml (8.4 fl oz) bottle.Product...

    $6.75
  • Brightwell Aquatics MicroBacter QuikCycl 125 ml. Brightwell Aquatics MicroBacter QuikCycl 125 ml.

    Brightwell Aquatics

    Brightwell Aquatics MicroBacter QuikCycl 125 ml.

    Brightwell Aquatics MicroBacter QuikCycl 125 ml. Professional nutrients for fishless cycling and establishing strong nitrifying bacteria beds in freshwater and marine aquariums. Not your average ammonia source for starting the nitrogen cycle...

    $4.76
  • Fritz Malachite Green 4 oz.

    Fritz

    Fritz Malachite Green 4 oz.

    Fritz Malachite Green 4 oz.  Removes Fungus From Fish Use When Caring for Fish Eggs With Fungus Expels Parasites and Protozoa For Use in Freshwater and Marine Aquariums Malachite Green is effective in treating external parasitic, protozoan...

    $5.95
  • Copper Power, Freshwater 4 oz. Copper Power, Freshwater 4 oz.

    Copper Power

    Copper Power, Freshwater 4 oz.

    Copper Power, Freshwater 4 oz. Copper Power Freshwater is one of the safest and most effective copper medications available for the elimination of external parasites.  Copper Power, Freshwater 4 oz. Product code: 8718Item No. MD-COPF-4OZ

    $4.95
  • Copper Power, Marine 4 oz. Copper Power, Marine 4 oz.

    Copper Power

    Copper Power, Marine 4 oz.

     Copper Power, Marine 4 oz.   Copper Power Marine is one of the safest and most effective copper medications available for the elimination of external parasites. Used at 2.5 PPM Copper - nearly 5-Times the normal toxic level of copper in...

    $4.95
  • Brightwell Aquatics MicroBacter QuikCycl 60 ml. Brightwell Aquatics MicroBacter QuikCycl 60 ml.

    Brightwell Aquatics

    Brightwell Aquatics MicroBacter QuikCycl 60 ml.

    Brightwell Aquatics MicroBacter QuikCycl 60 ml. Professional nutrients for fishless cycling and establishing strong nitrifying bacteria beds in freshwater and marine aquariums. Not your average ammonia source for starting the nitrogen cycle...

    $3.56