Chemboys Sodium Thiosulfate Chlorine Neutralizer 1 lb — Fast Dechlorination for Pools & Aquariums

Chemboys DIYChemicals Sodium Thiosulfate is a 1 lb crystalline chlorine neutralizer formulated to quickly remove free chlorine and chloramine from water used in pools, hot tubs, aquariums, ponds, hydroponics, and plant irrigation.

Keep water safe for fish, sensitive plants, and hydroponic systems without altering pH: this laboratory-grade sodium thiosulfate (also known as a chlorine decreaser) neutralizes oxidizing chlorine compounds so you can use municipal or treated water with confidence. Packaged by Chemboys under the DIYChemicals label and made in the USA, the 1 lb bag is sized for hobbyists and small commercial tasks alike.

How does this product remove chlorine and chloramine?

Sodium thiosulfate neutralizes chlorine through a chemical reduction reaction, converting free chlorine and chloramines into harmless chloride ions. The process is rapid when dissolved in water and dosed accurately, producing predictable results without raising water alkalinity.

• Dissolves quickly in warm or room-temperature water for immediate effect.
• Works on both free chlorine and combined chloramines commonly found in tap water.
• Requires simple measuring—no complex equipment.

How do I use the 1 lb bag for my aquarium, pond, or plants?

Measure the required amount based on water volume and chlorine level; small hobby applications often need only a fraction of the bag. For routine dechlorination, dissolve the crystals in a separate container and add gradually while monitoring water conditions.

• Use a test kit to determine current chlorine or chloramine concentration before dosing.
• Dissolve crystals in water first for even distribution; add slowly to avoid local over-concentration.
• Start with manufacturer- or test-kit-recommended dose rates and adjust as needed for larger volumes.

Will using this product affect my pH, nutrients, or filtration systems?

Sodium thiosulfate neutralizes oxidative disinfectants without significantly changing pH at typical dosing rates, and it generally does not bind major nutrient ions used in hydroponics. However, large overdoses can add extra sulfite/sulfate load, so moderate, measured use is best.

• Minimal pH impact when dosed correctly for routine dechlorination.
• Compatible with most biological filters and nutrient regimens when used in proper amounts.
• Avoid extreme overuse; follow test-kit guidance for repeated or heavy treatments.

Is this product safe and how should I store it?

When handled per label instructions, sodium thiosulfate crystals are stable and safe for storage; they are non-flammable and non-corrosive in normal conditions. Keep the bag sealed, dry, and out of reach of children and pets, and avoid inhaling dust when scooping.

• Store in a cool, dry place away from acids and oxidizers.
• Use protective gloves and avoid creating dust when measuring.
• Keep original packaging sealed to prevent moisture clumping.

Who is this for: Chemboys DIYChemicals Sodium Thiosulfate 1 lb is ideal for hobby aquarists, pond keepers, small pool or hot tub owners, gardeners using municipal water, and hydroponic growers who need a reliable, made-in-USA solution to quickly neutralize chlorine and chloramines. If you need precise, on-demand dechlorination without complicated equipment, this compact 1 lb pack is a practical choice.