Colombo PO4 Test – Phosphate test for clear pond water

To perform the test, fill the enclosed test tube with a water sample and add the test reagent according to the instructions. After the specified waiting time, compare the color change with the color chart to determine the PO4 level. Regular monitoring is recommended, especially in the case of algae problems or changes in water quality.

Use regularly for algae problems or elevated nutrient levels, especially during the break-in phase or when adjusting feed.

Test reagents for the chemical determination of phosphate content (PO4).

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Processing Time & Shipping
Orders are generally processed within 1–3 business days.

Shipping within Germany:
Standard: 2–4 business days, €5.90 (free from €49)
Express: 1–2 business days, €12.90

Shipping to Belgium, Denmark, Luxembourg, Netherlands, Austria:
0–5 kg: €7.50, 2–8 business days
5–10 kg: €9.90, 2–8 business days
10–25 kg: €13.90, 2–8 business days
25–30 kg: €19.90, 2–8 business days

Shipping to France & Italy:
0–5 kg: €13.90, 2–8 business days
5–10 kg: €14.90, 2–8 business days
0–25 kg: €19.90, 2–8 business days
25–30 kg: €24.90, 2–8 business days

Customs & Import
No customs duties within the EU. For non-EU countries, customs duties and import VAT may apply (e.g., Switzerland: customs duty on goods valued at €150 or more).

Freight Forwarding & Koi Shipping:
Separate rates apply for freight forwarding and koi shipping, which are displayed at checkout. Delivery is to the curbside.

Right of Withdrawal
You have the right to withdraw from this contract within 14 days without giving any reason. The period begins as soon as you, or a third party designated by you, have received the goods. To exercise your right of withdrawal, please send us (Koi-Area GbR, Tomphecke 25, 41169 Mönchengladbach, Tel: +49 152 27783926, E-mail: info@koi-area.de) a clear statement, e.g., by mail or e-mail. A model withdrawal form is available, but not mandatory. To meet the deadline, it is sufficient to send your notification in time.

Consequences of Withdrawal
Upon receipt of your withdrawal, we will refund all payments, including standard shipping costs, within 14 days. The refund will be made using the original payment method unless otherwise agreed. We may withhold the refund until we have received the goods back or provided proof of return.

Returning the Goods
The goods must be returned to us within 14 days of the withdrawal. You bear the direct costs of the return. You are only liable for any loss in value if it results from handling the goods in a way that exceeds what is necessary to check their condition.

Exceptions to the Right of Withdrawal
Withdrawal is excluded for custom-made or unsealed goods that cannot be returned for hygiene reasons.