AlgaeFree Pool Blocks All Season Algaecide 1.5 Kg - 5 Pack — Discounter's Pool & Spa Warehouse Skip to content
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All locations are closed for in-person shopping and returns. We continue to offer CONTACTLESS STORE PICKUP at all of our locations. We are currently experiencing some delays. Home deliveries can be expected to arrive within 7-14 days. In-store pickup orders are typically prepared within 3 days.

AlgaeFree Pool Blocks All Season Algaecide (1.5 Kg) - 5-pack - ALG-PB-5PK

$59.99
SKU 10002941

5 Pack of AlgaeFree Pool Blocks (1.5 Kg) - Good for 3-4 Months of Treatment!

Pool Blocks all season algaecide is an extra strength, slow release solid tablet algicide suitable for all chlorine and salt water pools. Eliminating all forms of green, mustard and Blackspot algae to deliver outstanding results in harsh environments.

Pool Blocks are used by commercial pools, hotels and local governments to control algae. They contain more than twice the active ingredient of most standard competitor products to ensure the longest possible treatment period.

Using Pool Blocks regularly prevents Blackspot Algae and stops your pool from turning green when chlorine levels fall.

Features:

  • Blackspot, Mustard & Green Algae Killer
  • Eliminate Algae from Walls, Grouting & Steps
  • Reduce Chlorine Consumption
  • Handy Monthly Slow Release Tablet
  • Ideal for Salt or Chlorine Pools
  • Long Life Algicide for Summer and Winter
  • Makes Pool Water Sparkling Clear

Directions for use: Intial dose - place one (1) POOL BLOCK per 25,000 liters of pool water in the wire basket when the pump is running. If algae persists, a monthly maintenance dose of one block per 50,000 L or ½ block per 25,000. Adjust pool water pH and maintain between 7.2-7.6 during treatment. Brush walls weekly when treating blackspot algae. Use in conjunction with chlorine or an approved bactericide when swimming.

Disposal: Do not reuse empty container. Dispose of empty container in your households recycling container. For information on disposal or unused, unwanted products, contact manufacturer or the provincial regulatory agency.

Customer Reviews

Based on 9 reviews
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(9)
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R
R.D.
Pool Blocks

I have been using these blocks for 14 years now ,never had any algae ever ,in the last 3 years I changed the way I used them , I used to put in one block per month I now start the year and end the year with one full block and in between I use one half a block per month ,just put it in the skimmer ,no problem at all, I have an above ground 12 X 24 pool and it holds about 8000 gallons , trust this product it works ,all the best stay safe Rick

C
C.
Best Product Ever

I have been using these puck for years. Never had algae again. Might look expensive but 2 pucks to start the year then one per month. $50 bucks for the year and absolutely no Algae. I will never switch.

C
C.L.

The manager recommended this product about 8 years ago and it is awesome. At the start 2 in the skimmer and we put 1 in the skimmer basket every month. Easy!

A
A.
Pool blocks

This will be my 3rd year using this product. They are great for algae control. I put 1 block in my skimmer basket every month.

R
R.A.

Best algae control we have ever used .A puck every 28 days ,we haven’t seen algae in 4 years

Customer Reviews

Based on 9 reviews
100%
(9)
0%
(0)
0%
(0)
0%
(0)
0%
(0)
R
R.D.
Pool Blocks

I have been using these blocks for 14 years now ,never had any algae ever ,in the last 3 years I changed the way I used them , I used to put in one block per month I now start the year and end the year with one full block and in between I use one half a block per month ,just put it in the skimmer ,no problem at all, I have an above ground 12 X 24 pool and it holds about 8000 gallons , trust this product it works ,all the best stay safe Rick

C
C.
Best Product Ever

I have been using these puck for years. Never had algae again. Might look expensive but 2 pucks to start the year then one per month. $50 bucks for the year and absolutely no Algae. I will never switch.

C
C.L.

The manager recommended this product about 8 years ago and it is awesome. At the start 2 in the skimmer and we put 1 in the skimmer basket every month. Easy!

A
A.
Pool blocks

This will be my 3rd year using this product. They are great for algae control. I put 1 block in my skimmer basket every month.

R
R.A.

Best algae control we have ever used .A puck every 28 days ,we haven’t seen algae in 4 years