Pick your tank size and get the exact amount to add for 134 common aquarium products.
The most popular dechlorinator. Neutralizes chlorine, chloramine, and detoxifies ammonia and nitrite for 24–48 hours.
Emergency ammonia/nitrite spike: use 5× the standard dose (5 mL per 10 gallons).
Dry powder conditioner. This standard entry uses the chlorine/chloramine label ratio: 200 mg treats 50 gallons.
Measure carefully with a precision scale. Use the ammonia-specific entry for ammonia detox dosing.
Removes chlorine and chloramine. Adds aloe vera to support slime coat and reduce stress during handling.
No-frills conditioner dose for chlorine and heavy metals. Use the chloramine entry when chloramine is present in tap water.
Removes chlorine, chloramine, and heavy metals. Also promotes the slime coat.
Professional-grade conditioner that removes chlorine and chloramine and detoxifies ammonia, nitrite, nitrate, and heavy metals.
Eliminates chlorine and chloramine. Stimulates the slime coat with natural polymers.
Comprehensive trace element supplement for planted tanks. Start here before adding individual nutrients.
Liquid carbon for planted tanks. Can replace CO2 injection in low-tech setups. Double the dose on day one (initial dose).
Can harm Vallisneria and certain mosses if overdosed. Start at half dose.
Highly concentrated iron for plants showing interveinal yellowing on new leaves.
Nitrogen supplement for plants with stunted growth or pale new growth.
Phosphorus supplement. Important for energy transfer and root development.
Potassium supplement. Deficiency shows as yellowing or dying leaf edges (marginal chlorosis).
Phytohormone supplement that promotes root and lateral shoot development.
Day 1: use this full dose. Days 2–7: halve the dose. Best added directly to the filter.
Live nitrifying bacteria for cycling. Shake well — bacteria settle to the bottom.
Freshwater nitrifying bacteria starter dose for new aquariums. Add directly to high-flow areas or filter media for best results.
Use the established-system entry for routine maintenance dosing.
Maintenance bacteria dose. For new tanks, many bottle sizes are intended to be used whole for tanks up to the bottle rating.
Raises pH by approximately 0.1–0.2 per dose. Change pH slowly to avoid stressing fish.
Never change pH by more than 0.2 per day. Sudden swings are more dangerous than a stable wrong pH.
Lowers pH by approximately 0.1–0.2 per dose. Less effective in hard (high KH) water.
High KH water will buffer against pH drops. Test KH first.
Buffers pH to a stable 7.0. This uses the broad label range of 5 g per 10–20 gallons at the gentler 20 gallon end.
Changes pH and phosphate buffering. Test pH and alkalinity before repeating.
Lowers and buffers pH between 5.0–8.0. Use with Alkaline Buffer for precise control.
Low preventive dose. Improves osmoregulation and reduces nitrite toxicity during cycling.
Not for scaleless fish (corydoras, plecos) or snails at this dose. Avoid in planted tanks.
Therapeutic dose for ich, fin rot, and bacterial infections.
Remove corydoras, plecos, and scaleless fish before treating. Not for planted tanks.
Protein-based slime coat supplement. Reduces stress and supports healing during handling and shipping.
Beneficial bacteria that digest organic waste in gravel. Reduces sludge and clarifies water.
Aldehyde-based treatment for external parasites, ich, fungal, and bacterial infections.
Remove activated carbon from filter during treatment. Do not use with invertebrates.
Broad-spectrum water clarifier for cloudy water, fine particles, and tannins. Works best with mechanical filtration.
Controls green water (algae bloom) and string algae. Use with Pimafix or Melafix for full coverage.
Do not use with invertebrates, scaleless fish, or in ponds with koi. Can affect oxygen levels.
Five-times Prime dose for temporary ammonia or nitrite detoxification. Aerate well and retest water.
Emergency dose only. Do not use as a routine water-change dose.
Dry conditioner dose for chlorine and chloramine. 200 mg treats 50 gallons.
Use a precision scale; this powder is very concentrated.
Dry conditioner ammonia detox dose. 200 mg treats about 13 gallons for ammonia response.
Emergency dosing. Retest ammonia and oxygenate the tank.
Base dose for chlorine and heavy metals in tap water.
Higher label dose for chloramine-treated tap water.
Tap water conditioner dose for chlorine, chloramine, and heavy metals.
Higher dose for detoxifying ammonia, nitrite, and nitrate during water-quality problems.
Detoxification is temporary; still perform water changes and retest.
Concentrated dechlorinator pump dose for tap water changes.
Nano-tank drop dose equivalent: about 2 drops per gallon.
Conditioner dose for removing chlorine and chloramine and detoxifying heavy metals.
Double-dose variant for additional slime coat support during stressful events.
Use standard dose for routine water changes.
Base dose for chlorine-treated tap water.
Higher label dose for chloramine or when extra scale and fin protection is desired.
Betta water conditioner dose for small aquariums and bowls.
Shrimp-safe tap water conditioner. Entry uses the cap equivalent of 5 mL per 10 gallons.
Five-times Complete dose for high chloramine or elevated ammonia, nitrite, or nitrate.
Emergency use only. Retest and correct the underlying water-quality issue.
Trace element supplement for planted freshwater aquariums.
Initial or post-water-change Excel dose before switching to maintenance dosing.
Can harm Vallisneria and some mosses if overdosed.
Standard potassium supplement dose for planted tanks.
Plant growth enhancer dose for root and shoot development.
Iron and potassium supplement for planted aquariums.
All-in-one planted-tank fertilizer pump dose for low to medium light tanks.
Two-pump variant for medium-light planted tanks or heavier plant mass.
Three-pump variant for high-light or fast-growing planted tanks. Test nitrate and phosphate.
Iron supplement for red plants or iron-deficiency symptoms.
Potassium supplement for pinholes, yellowing, or marginal leaf damage.
Liquid carbon source for low-tech planted aquariums.
Avoid overdosing around sensitive plants, shrimp, and stressed fish.
Micronutrient fertilizer for planted tanks with low fish load or no need for nitrate/phosphate addition.
All-in-one fertilizer with nitrogen and phosphorus for more demanding planted tanks.
All-in-one fertilizer designed for high-tech planted tanks.
All-in-one fertilizer formulated for shrimp-safe planted tanks.
Low-tech all-in-one planted-tank fertilizer.
Micronutrient solution for EI-style or custom fertilizing routines.
Macronutrient solution for EI-style or custom fertilizing routines.
Comprehensive plant fertilizer. 100 L is converted to 26.42 US gallons.
Liquid carbon supplement. 50 L is converted to 13.21 US gallons.
Higher EasyCarbo dose for heavily planted/high-demand tanks.
Do not exceed label directions; sensitive plants and invertebrates may react poorly.
Iron supplement. 100 L is converted to 26.42 US gallons.
Multi-nutrient planted aquarium supplement.
Carbon-source supplement for planted aquaria.
Nitrogen supplement for planted aquariums.
Potassium supplement for planted aquariums.
Iron supplement for planted aquariums.
Concentrated iron supplement for freshwater planted aquaria.
Humic substance supplement for planted aquariums.
Shrimp-safe nitrogen supplement for planted shrimp tanks.
Test nitrate before and during use.
All-in-one planted-tank fertilizer. 100 L is converted to 26.42 US gallons.
Daily-dose variant for APT Complete. 100 L is converted to 26.42 US gallons.
Nitrogen/phosphate-free fertilizer for tanks with higher fish load or active substrate.
Lower ongoing dose after the initial 7-day startup period.
Bacteria blend for organic waste control and water clarity.
Maintenance dose for organic waste control and sludge reduction.
Saltwater dose is double the freshwater Quick Start dose.
New-system starter dose for freshwater nitrifying bacteria.
Established-system dose for routine bacteria replenishment.
Refrigerated live nitrifying bacteria for freshwater cycling.
Five-times TurboStart dose variant for accelerated cycling.
Use only when following the manufacturer fast-cycle guidance.
Bacteria dose for starting or reinforcing biological filtration.
Maintenance dose for reinforcing the biofilter.
Concentrated bacteria dose for large freshwater aquariums.
Maintenance bacteria dose for large freshwater aquariums.
Freshwater nitrifying bacteria minimum dose for cycling.
Nitrifying bacteria for ammonia and nitrite control.
Bacteria blend for organic waste reduction in new aquariums.
Maintenance bacteria dose for sludge and organic waste control.
Very light daily bacteria dose for low-nutrient planted tanks.
Drop-based bacteria dose for times when bio-load or filtration changes.
Aquarium bacteria dose; 1 fluid ounce is converted to 29.57 mL.
Raises alkalinity and buffers pH. Use with Acid Buffer for controlled adjustments.
Test KH and pH before repeating.
Buffers soft-water aquariums toward discus-friendly pH. Uses the gentler end of the 10–20 gallon label range.
Lowers and buffers pH in freshwater aquariums.
Avoid rapid pH changes; retest before redosing.
Raises and buffers pH for alkaline freshwater systems. Uses the gentler end of the 10–20 gallon label range.
Avoid rapid pH changes; retest before redosing.
Liquid buffer for axolotl aquariums.
Raises carbonate hardness and pH for Tanganyika cichlid aquariums. Uses the gentler end of the 10–20 gallon label range.
Raises carbonate hardness and pH for Malawi and Victoria cichlid aquariums. Uses the gentler end of the 10–20 gallon label range.
Raises and buffers goldfish aquariums toward pH 7.2–7.8.
Use half dose in soft or poorly buffered water.
Maintenance entry for pH 7.0 buffering in soft or RO-based systems.
Test pH and KH before repeating.
Gradual pH-lowering buffer dose. Use with Alkaline Buffer for precise control.
Avoid changing pH more than about 0.2 per day.
Raises pH gradually in freshwater aquariums.
Avoid sudden pH changes; some fish are sensitive to swings greater than 0.2 in 24 hours.
Lowers pH gradually in freshwater aquariums.
High KH water may resist pH drops. Test KH first.
General aquarium salt dose for freshwater community tanks.
Avoid with salt-sensitive fish, snails, shrimp, and many live plants.
High salt dose for livebearers or short-term support where appropriate.
Not for most planted tanks, invertebrates, corydoras, plecos, or other salt-sensitive fish.
Concentrated salt bath dose for external parasite support.
Bath treatment only. Observe fish continuously and return to fresh water if distress occurs.
Mineral salt dose for Lake Tanganyika cichlid aquariums.
Mineral salt dose for Lake Malawi cichlid aquariums.
Mineral salt dose for Lake Victoria cichlid aquariums.
Mineral salt dose for South American cichlid aquariums.
Mineral salt dose for Central American cichlid aquariums.
Mild treatment level often used as a first step for illness support.
Remove snails and shrimp; use caution with salt-sensitive fish and plants.
High treatment level for stronger short-term salt support.
Strong dose. Not for salt-sensitive fish, invertebrates, or planted tanks.
Mineral salt dose for goldfish aquariums. Dissolve before adding to established tanks.
Ammonia detoxifier for emergency water-quality support.
Use with ammonia testing and water changes; detoxification is temporary.
More conservative AmGuard dose for elevated ammonia events.
Emergency use. Increase aeration and retest ammonia.
Slime coat and healing-support supplement for stressed or injured fish.
Lower StressGuard dose for lighter handling stress or cautious use.
Trace element supplement for freshwater community aquariums.
Trace element supplement for discus and soft-water aquariums.
Trace element supplement for cichlid aquariums.
Trace element supplement for goldfish aquariums.
Detoxifies ammonia during spikes while the biofilter catches up.
Still test ammonia and do water changes; detoxification is temporary.
Botanical fish remedy for external bacterial issues and fin/tissue support.
Remove activated carbon during treatment and maintain aeration.
Botanical fish remedy often used for fungal or external issues.
Remove activated carbon during treatment and maintain aeration.
Double-dose variant for slime coat support and stress recovery.
Use standard Stress Coat+ dose for routine water changes.
Mineral and trace supplement for freshwater shrimp aquariums.
Humic-substance supplement for shrimp and blackwater-style freshwater aquariums.
Doses are based on manufacturer guidelines. Always read the product label. Some products vary by formulation — verify with your specific bottle.