Question 1

What is CZTL Methylene Blue solution?

Accepted Answer

It is a ready-to-use 0.1% w/v Methylene Blue liquid solution, prepared from high purity Methylene Blue. It is available in four packs: 100 ml (1 x 100 ml), 200 ml (2 x 100 ml), 800 ml (8 x 100 ml) and 900 ml (9 x 100 ml).

Question 2

What is the difference between the pack sizes?

Accepted Answer

All packs contain the same 0.1% w/v solution in sealed 100 ml bottles. The 200 ml pack has 2 bottles, the 800 ml pack has 8 bottles and the 900 ml pack has 9 bottles. Larger packs work out cheaper per 100 ml.

Question 3

What does USP Grade Methylene Blue mean?

Accepted Answer

USP refers to the United States Pharmacopeia purity standard. USP grade means the Methylene Blue is tested and impurities such as heavy metals are at or below the limits set by USP.

Question 4

Is every batch tested?

Accepted Answer

Yes. Batches are checked before dispatch. Every bottle is prepared from Ultra Pure USP Grade Methylene Blue to a controlled 0.1% w/v concentration.

Question 5

Do I need to dilute the solution?

Accepted Answer

The solution is supplied at 0.1% w/v and is ready to use as supplied. Always follow the directions on the product label.

Question 6

How do I make a 0.1% w/v solution from powder?

Accepted Answer

Dissolve 1 g of Methylene Blue powder in 1 litre of water to make a 0.1% w/v solution. Our liquid solution saves you this step.

Question 7

How should I store the solution?

Accepted Answer

Keep the bottle tightly closed in a cool, dry and dark place away from direct sunlight, ideally between 15 and 25 °C. Keep out of reach of children. Methylene Blue is a stable compound with a long shelf life.

Question 8

How can I order bulk quantities?

Accepted Answer

For bulk or business orders, write to support@cztl.bz or use the contact form and our team will share a quote.

Question 9

Which payment methods do you accept?

Accepted Answer

We accept UPI, credit and debit cards, net banking and wallets through Razorpay. All prices are in Indian Rupees and include GST.

Question 10

My payment failed but money was deducted. What should I do?

Accepted Answer

If your order was not confirmed, the amount is usually reversed automatically by your bank within 5 to 7 working days. If it is not, write to us with your payment details and we will help.

Question 11

Do you charge for shipping?

Accepted Answer

No. Shipping is free on all orders within India.

Question 12

How long does delivery take?

Accepted Answer

Orders are usually dispatched within 1 to 2 working days and delivered within 3 to 7 working days of dispatch, depending on your location.

Question 13

How do I track my order?

Accepted Answer

Once your order ships we email you the courier name, tracking number and tracking link. For any help, write to support@cztl.bz with your order number.

Question 14

What if my product arrives damaged?

Accepted Answer

Contact us within 48 hours of delivery with your order number and photos or an unboxing video. We will send a replacement or issue a refund.

Question 15

Do you sell on Amazon?

Accepted Answer

Yes, CZTL products are also available on Amazon India. Always check that the seller is CZTL to avoid counterfeit products.

Question 16

How do I contact CZTL?

Accepted Answer

Email support@cztl.bz or use the contact form on this website. We reply within 1 to 2 working days.

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