ALKA+ (powder) - 5kg

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Why use ALKA+

ALKA+ (also known under the TAC+ denomination) helps to stabilize the chemical reactions of water between products (eg: acid/base balance).

Use-it with app

You can free download our application on Apple Store (IOS) or Play Store (Android). Then you can follow advice from our recommendation engine to know when and how you can use our chemicals products.

How it works

The ALKA is a measure that tells you the number of mineral salts present in the water in your pond. The alkalinity of water determines the "buffering" power of water. An ideal rate makes it possible to stabilize the chemical reactions between the maintenance products and the water in your swimming pool. By releasing it into the water, our Alkalinity Booster will increase the alkalinity of your water without adding unwanted chemicals.



Main advantages

  • HighALKA+ concentration ;
  • Quality/price ratio;
  • High gradeALKA+ quality ;
  • Treatment efficiency;
  • No residue.

Usage advice

  • Check if pH is between 7.2 and 7.6;
  • Activate the filtration of your swimming pool;
  • Dilute theALKA+ in a bucket of water;
  • Incorporate the mixture of water andALKA+ in your swimming pool.


  • Ideal concentration: between 80 and 150ppm and preferably close to 150ppm;
  • Go gradually and never overtake 500g ofALKA+ for 10m³ of water in one time;
  • Be careful, increasingALKA will equally increase pH. Lower is theALKA concentration, more the pH concentration gonna reduce fast when adding acidity (pH+).;
  • Too muchALKA can cause milk water and tartar deposits.

Customer Reviews

Based on 18 reviews
Excellente qualité et efficacité

troisième achat de ce produit chez iopool. Très efficace et excellent rapport qualité/prix par rapport aux produits de chez Brico

Eric Lehnertz

TAC+ (Alka+ powder) - 5kg

Laurent Bourgeois

Rapide et efficace

Anthony Joubert
Taux de désinfection

Impossible de changer le taux de désinfection depuis 1 mois et demi et pas vraiment d aide de votre part donc hyper déçu en ce moment pour un produit auquel je croyais

Bonjour Anthony,

Nous venons de vous envoyer un email pour trouver une solution à votre problème.

L'équipe iopool

franck lebocey

Bonjour le produit et peut-être très efficace seulement m'a demandé d'en ajouter 2 x 3 cuillère en l'espace de 2 jours cela me paraît beaucoup

Ghislaine Renoud
Bon produit

Livraison rapide et correcte

Christophe Laborie
Très bien


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