# Tetra AlgoStop Depot 12 tablets – aquarium algae treatment for freshwater aquaria, slow-release depot tablets

**URL:** https://aio.lv/en/product--tetra-t321311--12049082
**Data updated:** 2026-03-12 19:31 (EET)
**Category:** Aquarium Supplies
**Manufacturer:** Tetra
**Manufacturer code:** T321311
**EAN:** 4004218321311
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 15.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 13.21 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tetra-t321311--12049082

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

Tetra AlgoStop Depot is a pack of 12 slow-release depot tablets designed to combat algae in freshwater aquaria. The tablets provide targeted treatment to reduce and control common aquarium algae without disturbing water clarity. Suitable for routine maintenance and spot treatment in planted and fish-only freshwater tanks; follow dosing instructions and safety guidance on the packaging.

## Long description

Tetra AlgoStop Depot is a set of 12 slow-release depot tablets formulated to treat and control common algae in freshwater aquaria. Designed for targeted application, each tablet dissolves gradually to deliver active ingredients directly where algae growth occurs, allowing treatment without noticeably affecting water clarity. The product is intended for routine maintenance and spot treatment in both planted and fish-only freshwater tanks when used according to the instructions on the packaging.
Advantages
The slow-release depot design ensures a prolonged local effect on algae while minimizing widespread dispersal of active substances through the entire aquarium. Tablets are compact and simple to place in the affected area, enabling targeted action on surfaces and hard-to-reach spots. The formulation is suitable for use in planted tanks and fish-only aquaria when dosing guidelines are respected, providing an effective balance between algae control and aquarium ecosystem stability.
Suitable for
Treating localized green spot algae on glass, rocks and hardscape
Spot treatment in planted aquaria
Routine maintenance to reduce recurring algae outbreaks
Fish-only freshwater tanks where targeted algae control is needed
Key specifications
Packaging: pack of 12 depot tablets
Formulation: slow-release tablet for local application
Intended water type: freshwater aquaria
Application: spot and targeted treatment of common aquarium algae
Effect on water clarity: designed to act locally with minimal impact on overall water transparency when used as directed
How to use
Select a tablet and place it directly on or near the algae-affected surface, such as on decor, rockwork or at the aquarium glass base. Follow the dosing and safety instructions printed on the product packaging, including any guidance on the number of tablets per volume and recommended contact time. Avoid placing tablets where grazing fish or invertebrates have constant direct access. Perform regular water parameter checks and partial water changes as described on the label to maintain aquarium balance during treatment.
Usage recommendations
Use Tetra AlgoStop Depot as part of an integrated algae management routine: combine targeted tablet application with good lighting control, regular maintenance, and proper nutrient management. Do not exceed recommended dosing and consult the product instructions before use in heavily planted aquaria or systems containing sensitive invertebrates.

## FAQ

### How much does the Tetra AlgoStop Depot 12 tablets — aquarium algae treatment cost, and is it available for purchase?

The price is 15.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 70 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 13.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Tetra products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Tetra service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12049082/67535423_large.webp