Best Septic Chlorine Tablets In August 2025

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Below is the top 10 Best Septic Chlorine Tablets review to guide you buy the best product. Choose one of these products and your satisfaction is guaranteed!

To help you in your search, we have completed this list of the Best Septic Chlorine Tablets.

Top Rated Best Septic Chlorine Tablets Of 2025

Rank	Product Name	Score
1	Bio-Tab for Septic Systems 8 oz (226.5g) 14 Tablets Buy Now	9.7 Buy Now
2	Septicfit Septic Chlorine Tablet - 4 Pail Value Pack - 6 Tablet Pails Buy Now	9.5 Buy Now
3	Clorox Pool&Spa XtraBlue 3" Long Lasting Chlorinating Tablets 25 lb Buy Now	9.1 Buy Now
4	Norweco 10lb. Blue Crystal Chlorine Tablets for Aerobic or Septic Systems Buy Now	8.8 Buy Now
5	BioTab for Septic system (14 Tablets) 8 ozs (226.5g) Buy Now	8.6 Buy Now
6	5LB. PRO CHLOR TABS Buy Now	8.3 Buy Now
7	Septicfit Septic Chlorine Tablet - 6 Tablet Pail - 2 lbs Buy Now	8.1 Buy Now
8	Rx Clear 1-Inch Stabilized Chlorine Tablets | Use As Bactericide, Algaecide, and Disinfectant Buy Now	7.8 Buy Now
9	Septicfit Septic Chlorine Tablet - 29 Tablet Pails - 10 lbs Buy Now	7.5 Buy Now
10	Norweco 10lb. Bio-Sanitizer Chlorine Tablets for Aerobic or Septic Systems Buy Now	7.2 Buy Now

1. Bio-Tab for Septic Systems 8 oz (226.5g) 14 Tablets

• Easy to use .. no messy liquids or dusty powders.
• Keep your septic tank healthy for only $4.16 per month for the first year and $3.57 per month every year to follow!
• It's a non-corrosive and non-poisonous product that will not harm plumbing or septic systems.
• Conveniently packaged with a year's supply and a helpful calendar on the lid to track your monthly usage.
• Composed by organisms deemed safe by the epa and is non-toxic to humans and animals.

2. Septicfit Septic Chlorine Tablet - 4 Pail Value Pack - 6 Tablet Pails

• Resealable containers
• 4 pail value pack - 6 tablet pails
• Made in the usa
• 68% calcium hypochlorite
• Designed for use in aerobic treatment systems

3. Clorox Pool&Spa XtraBlue 3" Long Lasting Chlorinating Tablets 25 lb

• Kills all types of pool algae and kills bacteria
• Protects against algae and bacteria for water that stays clean, clear and free of visible algae
• Protected against sunlight to last longer

4. Norweco 10lb. Blue Crystal Chlorine Tablets for Aerobic or Septic Systems

• Reduces 99% of bacteria within the first ten minutes of contact
• Approved by usepa for wastewater disinfection
• Protects landscaping when used with spray irrigation
• Economical and convenient to use
• 70% available chlorine, specifically formulated for residential wastewater treatment systems

5. BioTab for Septic system (14 Tablets) 8 ozs (226.5g)

• It is a non-corrosive and non-poisonous product that will not harm plumbing or septic systems.
• Composed by organisms deemed safe by the epa and is non-toxic to humans and animals.
• Keep your septic tank healthy for only $4.16 per month.
• Easy to use .. no messy liquids or dusty powders.
• Convenient year supply packaging, with a handy calendar on the lid to track your monthly usage.

6. 5LB. PRO CHLOR TABS

• Makes it convenient to clean septic tank systems
• Eliminates bacteria present in the tank
• Nsf and epa approved tablets last up to 2 and a half month

7. Septicfit Septic Chlorine Tablet - 6 Tablet Pail - 2 lbs

• Made in the usa
• Resealable containers
• For use in aerobic treatment systems
• 68% calcium hypochlorite

8. Rx Clear 1-Inch Stabilized Chlorine Tablets | Use As Bactericide, Algaecide, and Disinfectant

• Easy to use - each chlorinating tablet weighs 0.5 oz. and is individually packaged for to take the guessing out of how much chlorine to use in your pool and reduce the chemical mess.
• Adaptable to your pool or hot tub - use 7 tablets per 2,500 gallons of water per week by adding the pool chlorine tablets to your pool's skimmer and using the flow of your pump to dissolve and distribute the pool chemicals.
• Trusted pool supplies - rx clear has high quality pool chemicals and pool accessories for a great value. trust rx clear to balance your pool and spa chemistry and keep your water safe and clear.
• Long lasting - these rx clear chlorine tabs are slow dissolving, 90% available chlorine, 99% trichlor. note: some of the tablets may be cracked or broken within their packaging due to shipping. this breakage is normal and does not reduce the effectiveness of these tabs.
• Low price, high quality - compared to pace, bioguard and sun the rx clear brand provides the same performance at a much lower cost.

9. Septicfit Septic Chlorine Tablet - 29 Tablet Pails - 10 lbs

• Designed for use in aerobic treatment systems
• 68% calcium hypochlorite
• Made in the usa
• Due to haz mat regulations these are not returnable
• 29 tablet pails

10. Norweco 10lb. Bio-Sanitizer Chlorine Tablets for Aerobic or Septic Systems

• Economical and convenient to use
• Consistent chlorine dose
• Protects landscaping when used with spray irrigation
• 70% available chlorine
• Approved by usepa for wastewater disinfection