SaltwaterReefCo, aquarium installation, maintenance, IL

  Calcium, alkalinity, and magnesium: how they shape coral growth Corals build their reefs by turning dissolved seawater chemistry into calcium carbonate, the mineral that forms their skeleton. While factors like temperature, nutrients, and disease receive much of the attention, the “molecular ingredients” in seawater—particularly calcium, alkalinity, and magnesium—play a direct role in how fast and how reliably corals can grow. Together, these compounds influence both the materials corals use and the stability of the chemica ... Read more »

  Coral-Specific Pests: Montipora-Eating Nudibranchs and Acropora Crabs Coral reefs and home aquariums can be disrupted by “specialist” pests that target specific coral species. Among the most discussed are montipora-eating nudibranchs and Acropora crabs , both of which can leave distinctive signs that—if caught early—make treatment or removal more feasible. These organisms don’t typically harm every coral in a tank the same way. Instead, they show feeding preferences that align with coral mor ... Read more

  Me & Velvet Sickness on the Reef: Safe Treatments White spots, mucus coating, rapid weight loss: When Ich or Velvet disease (velvet disease) appear in a reef aquarium, every hour counts. Both diseases are caused by parasites that infest fish – while corals and invertebrates can be affected to varying degrees depending on the treatment. Therefore, it's crucial not only to know "what helps," but also "what is demonstrably safest for the reef." The following overview categorizes the typical symptoms, explai ... Read more »

  Nuisance algae in aquariums: hair algae, dinos, and bubble algae Nuisance algae are among the most common “tank problems” reported by aquarium keepers, but they’re not all the same—and treating them with one-size-fits-all methods often makes things worse. Three of the most frequently discussed outbreaks are hair algae , dinoflagellates (often called “dinos”), and bubble algae , each with different drivers and warning signs. Hair algae: fast growth, manual removal ... Read more »

  Mantis Shrimp: Reef Risk Explained and What to Do Mantis shrimp aren’t the kind of reef “hitchhiker” most aquarists want. Their stealthy hunting behavior, powerful forelimbs, and habit of hiding in rockwork can turn a thriving display into a problem reef within days—often before anyone realizes the culprit is inside. While not all mantis shrimp species behave the same way, many share the same core traits: they’re opportunistic predators, they need cover, and they can inflict damage that’s out of pr ... Read more »

  Zoanthids care guide and palytoxin safety checklist Zoanthids—often sold as “button polyps” or colorful mats—are among the most commonly kept soft corals in home reef tanks. They’re frequently recommended for their vivid appearance and relative hardiness. But when zoanthids are handled, they can also become a public-safety concern because some species are associated with palytoxin , a highly potent toxin. Below is a care-focused overvie

  Tang and Surgeonfish Guide: Care, Diet, and Compatibility Tangs and surgeonfish (family Acanthuridae ) are among the most recognizable reef fish—often seen cruising rockwork while grazing algae. Their beauty comes with real husbandry requirements: many are fast, territorial, and highly dependent on consistent food and water quality. This guide outlines how to care for common tangs, what they need to thrive, and which tankmates are usually compatible. Key takeaway: successful tang-keeping is less about “fe ... Read more »

  Realistic Monthly Cost of Running a Reef Tank Running a reef tank isn’t just about the initial equipment purchase—it’s the monthly operating cost that determines whether the hobby stays “weekend manageable” or becomes a serious line item. While every system is different, most expenses fall into a few predictable categories: electricity, saltwater and top-off, consumables, livestock maintenance, and equipment upkeep. Below is a practical, realistic budget framework for a typical home ... Read more »

  Seahorses: realistic care requirements for aquariums Seahorses may look delicate, but successful keeping is less about “special magic” and more about getting the basics right—then keeping them consistent. Unlike hardier aquarium fish, seahorses are sensitive to fluctuations in water quality, diet changes, and overly strong or poorly targeted water flow. Veteran keepers and marine specialists generally agree on a simple principle: if you can maintain stable conditions and commit to daily feeding, you can reduce most of ... Read more »

  Mandarinfish (Dragonets): Why They’re Hard to Keep Mandarinfish, often sold under the name “dragonets,” are among the most sought-after small reef fish for home aquariums. They’re also notoriously difficult to keep long-term. The reason isn’t usually aggression or water-quality intolerance—it’s feeding. In the wild, mandarinfish graze on tiny prey items throughout the day, especially copepods and other micro-crustaceans found naturally in the reef ecosystem. In a glass tank, that food web doesn&rsqu ... Read more »

  Calcium reactor vs two-part dosing: which fits? Choosing between a calcium reactor and two-part dosing is one of the most important decisions for reef aquariums—because the right method helps keep calcium and alkalinity stable, supporting coral growth and preventing slow chemistry drift. Both approaches can work well, but they suit different systems and lifestyles. The best choice depends on your tank’s demand, how hands-on you want to be, and how comfortable you are with equipment tuni ... Read more »

  How to Move a Reef Tank Without Losing Everything Moving a reef tank is one of the most stressful events for marine life—because even small swings in temperature, salinity, ammonia, or oxygenation can quickly cascade into losses. The good news: with careful preparation and the right logistics, you can relocate a reef system while preserving beneficial bacteria, corals, and fish. Below is a field-tested approach focused on minimizing time out of stable water conditions, preventing temperature shock, and protecting your biologica ... Read more »

  How to Lower Nitrates and Phosphates Without Crashing the Tank Rising nitrates and phosphates are common in established aquariums, but “quick fixes” often cause the very problem you’re trying to avoid: a temporary loss of stability, stressed fish, and stalled cycling. The goal is to lower nutrients slowly enough to keep beneficial bacteria working, while also addressing what’s feeding those nutrients in the first place. Start with the numbers. Test nitrate (NO3), phosphate (PO4), and pH/alkalinity ... Read more »

  Cyanobacteria (Red Slime): Causes and Chemical-Free Fixes Cyanobacteria (commonly dubbed “red slime”) are microscopic bacteria that can form thick mats, film, or streaks on surfaces in ponds, aquariums, fountains, and slow-moving water. While they are not algae, their appearance can look similar—and their blooms can reduce water clarity, deplete oxygen, and sometimes produce toxins depending on the species. Understanding what triggers cyanobacteria is the fastest path to control. In most cases, blooms are driven less by &ld ... Read more »

  Home Aquarium Setup: Key Checks for Safety Setting up a home aquarium can look simple—pick a tank, add water, and start stocking. But the most important work often happens before the first drop of water goes in. Weight, plumbing, and insurance considerations can determine whether your setup is safe, leak-resistant, and financially protected. This guide outlines the key items to evaluate before setup so you can choose the right location, install correctly, and reduce the chances of structural or water damage. 1) ... Read more »

  How to Choose a Professional Aquarium Maintenance Company Choosing a professional aquarium maintenance company isn’t just about finding the lowest price. A reliable provider should understand species-specific care, be able to explain their methods clearly, and demonstrate that they can maintain stable water quality over the long term. Before you agree to a contract, prepare a short checklist of questions. The answers will help you judge experience, professionalism, and whether they’re genuinely aligned with your tank’s need ... Read more »

  Coral-Specific Pests: Nudibranchs, Acropora Crabs, and Copepods Coral declines in reef aquariums and natural systems are often blamed on broad threats such as water quality and temperature swings. But some of the most damaging problems come from organisms that specialize in particular hosts—meaning certain corals attract specific pests that can quickly turn into a persistent, colony-level problem. Montipora-eating nudibranchs and targeted tissue loss Among the most notorious host specialists are Montipora-eating nudibranchs ... Read more »

  Diatom blooms in new tanks: normal cycle or problem? Diatoms—brown, dusty, or “varnish-like” algae—are among the most frequent surprises in new aquariums. They often show up after the first water changes and as the tank’s biological filtration begins to mature, leading many aquarists to ask whether the bloom is part of the normal cycle or a sign something is off. In most cases, a diatom bloom is not a disease. It’s typically the result of “fresh tank” conditions: surfaces are new, microbes ... Read more »

  Fish-Only vs FOWLR vs Reef: Which Setup Fits You? Setting up a saltwater tank can feel overwhelming, but the decision is usually straightforward once you compare three common paths: Fish-Only (FO), FOWLR (Fish-Only with Live Rock), and reef aquariums. The “right” choice depends less on which sounds cooler and more on how much time, budget, and precision you’re ready to commit to. FO systems focus on fish only, with minimal reliance on living organisms in the display. FOWLR keeps live rock as biological filtration an ... Read more »

  How to Read Aquarium Product Labels and Dose Correctly Dosing aquarium products doesn’t have to be guesswork. Most dosing errors come from misreading what the label is targeting, using the wrong measurement units, or dosing for the entire tank volume when the product is meant for a specific portion or condition. With a quick label-reading routine, you can reduce stress on fish and keep water chemistry stable. Start with the label’s “what it’s for” section Look for the product category and intended u ... Read more »

  Fungia and Cycloseris (Plate Corals): Placement and Care Fungia (often called plate coral) and Cycloseris are prized for their flat, disc-like forms and rich colors. While both belong to the same general “plate coral” hobby category, they share similar care priorities: stable water parameters, careful placement away from tissue damage, and feeding when conditions allow. Unlike some soft corals that tolerate a wide range of movement, plate corals are easily stressed by direct turbulence and repeated contact. The goal is ... Read more »

  Allelopathy in corals: how chemical warfare affects reefs Reefs are often described as ecosystems built on light, water flow, and space. But increasingly, scientists are focusing on another competitive force: allelopathy , a form of chemical interference in which corals and other reef organisms release compounds that affect neighboring species. In simple terms, some corals and benthic organisms can “fight” without physical contact. By altering the growth, settlement, or survival of nearby competitors—especia ... Read more »

  Target Feeding Corals: What to Feed, How Often, and Species Target feeding is a supplemental aquarium practice where food is delivered directly to a coral’s polyps rather than relying only on plankton in the water column. While most corals still depend on light and photosynthesis, some species gain noticeably from periodic, targeted meals—especially when natural prey availability is limited in home aquariums. What to feed corals (and what to avoid) In general, target feed foods should be small enough for polyps to capture ... Read more »

  Coral disease, RTN & STN, and bleaching: diagnosis and response Coral reefs are facing multiple, sometimes overlapping threats. In addition to warming-driven bleaching , reefs can experience infectious coral diseases that spread rapidly across colonies. Two well-known categories of disease— rapid tissue necrosis (RTN) and slow tissue necrosis (STN) —can be difficult to distinguish from each other and from non-disease stressors without careful field observation. While loca ... Read more »