# We're making chemistry kits!

Source: https://www.youtube.com/watch?v=YwTJ-G_Qrjs
Recap page: https://rapidrecap.app/video/YwTJ-G_Qrjs
Generated: 2025-10-14T18:33:34.722+00:00

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## Quick Overview

The host successfully demonstrates the BZ Reaction Kit by NileRed, showcasing the creation of the oscillating Belousov-Zhabotinsky reaction patterns in an oval glass dish, which resulted in complex, concentric ring structures appearing after a 15-second observation period following a 5-minute waiting time.

**Key Points:**
- NileRed released a BZ Reaction Kit, an updated version of a reaction first demonstrated in 2018, designed for users to recreate the oscillating chemical reaction.
- The kit includes specialized glassware, including an oval glass dish (used instead of the previous plastic dish for better durability), syringes, and chemical reagents.
- The experiment involves mixing Sulfuric Acid (H2SO4) and Sodium Bromate (NaBrO3) first, waiting 5 minutes until the solution turns transparent, and then adding Malonic acid and the indicator, Ferroin.
- After mixing the reagents in the flask and transferring the solution to the petri dish, the reaction begins, resulting in visible orange/brown liquid with light blue/purple concentric rings forming.
- The host notes that the final result, particularly the visual complexity, is the most important part of the experiment, even if the process is slightly messy or the reaction sometimes 'explodes' or fails to maintain a consistent pattern.
- The host mentions that the development of the kit, including changes like using glass instead of plastic dishes and including syringes for accurate measurement, took significant time and effort.

![Screenshot at 00:34: The video displays the successful BZ reaction showing distinct, concentric blue/purple rings forming on the orange-brown solution in the oval glass dish, confirming the successful execution of the chemical kit.](https://ss.rapidrecap.app/screens/YwTJ-G_Qrjs/00-00-34.png)

**Context:** The video focuses on the unboxing and demonstration of a commercially available 'BZ Reaction Kit' created by the science content creator NileRed. The BZ reaction, standing for Belousov-Zhabotinsky, is a classic example of a non-equilibrium chemical reaction that exhibits sustained temporal and spatial oscillations, creating mesmerizing, self-organizing patterns like concentric rings.

## Detailed Analysis

The host unboxes the NileRed BZ Reaction Kit, noting it is an improved version of an experiment he first performed in 2018. The kit is presented in professional black packaging with a distinctive red, patterned sleeve. Contents include specialized glassware (an oval glass dish and an Erlenmeyer flask, both glass in the final version, unlike the previous plastic versions), syringes for accurate measurement, safety goggles, gloves, and the necessary chemical reagents packaged in labeled dropper bottles and small bags. The procedure involves mixing Sulfuric Acid (H2SO4) and Sodium Bromate (NaBrO3), waiting 5 minutes until the mixture clears, then adding Malonic Acid and finally the indicator, Ferroin. After mixing the final solution and spreading it thinly on the oval dish, the characteristic oscillating patterns—concentric rings of blue/purple on an orange/brown background—emerge. The host expresses satisfaction with the final visual result, despite acknowledging minor issues with the prototype packaging (a peeling label on one bottle) and the inherent variability of the reaction itself.

### Kit Unboxing and Contents

- Black box packaging with red patterned sleeve
- Includes glass dish, Erlenmeyer flask, syringes, gloves, goggles, and chemical reagents
- Chemical bottles include H2SO4 (red cap), NaBrO3 (white/pink liquid), Malonic acid (black liquid), and Ferroin (blue liquid)

### Reaction Preparation Steps

- Measure 7mL of NaBrO3 solution into the flask
- Add 1mL of Malonic acid
- Add 0.5mL of NaBr solution
- Cap and shake, waiting 5 minutes until clear
- Transfer solution to the petri dish using a pipette
- Add 1mL of Ferroin indicator

### BZ Reaction Observation

- Initial mixing results in a yellow solution, which clears after 5 minutes waiting period
- Adding the final indicator (Ferroin) causes the solution to turn dark red/purple
- After mixing on the table, the solution begins to oscillate, forming visible blue/purple concentric rings on an orange background
- The host notes the pattern complexity is the most visually stunning outcome

![Screenshot at 00:00: Host presenting the BZ Reaction Kit box in the laboratory setting.](https://ss.rapidrecap.app/screens/YwTJ-G_Qrjs/00-00-00.png)
![Screenshot at 00:05: Close-up on the BZ Reaction Kit box lid featuring abstract red/pink patterns.](https://ss.rapidrecap.app/screens/YwTJ-G_Qrjs/00-00-05.png)
![Screenshot at 00:34: Time-lapse style image showing the successful BZ reaction with distinct orange background and blue/purple concentric rings.](https://ss.rapidrecap.app/screens/YwTJ-G_Qrjs/00-00-34.png)
![Screenshot at 01:12: Instruction sheet showing the 14 steps required to perform the BZ reaction.](https://ss.rapidrecap.app/screens/YwTJ-G_Qrjs/00-01-12.png)
![Screenshot at 01:28: Host holding up the included black gloves from the kit contents.](https://ss.rapidrecap.app/screens/YwTJ-G_Qrjs/00-01-28.png)
![Screenshot at 02:32: The custom glass reaction setup, including the flask and the oval petri dish, nestled in foam packaging.](https://ss.rapidrecap.app/screens/YwTJ-G_Qrjs/00-02-32.png)
![Screenshot at 04:46: The three indicator/catalyst bottles \(H2SO4, NaBrO3, Ferroin\) laid out on the table.](https://ss.rapidrecap.app/screens/YwTJ-G_Qrjs/00-04-46.png)
![Screenshot at 08:11: The solution in the flask turning yellow immediately after mixing the first two components.](https://ss.rapidrecap.app/screens/YwTJ-G_Qrjs/00-08-11.png)
![Screenshot at 10:16: The final oscillating pattern in the petri dish after the reaction has progressed for 15 seconds.](https://ss.rapidrecap.app/screens/YwTJ-G_Qrjs/00-10-16.png)
![Screenshot at 11:07: The tablet on the flexible tripod recording the oscillating reaction in the petri dish.](https://ss.rapidrecap.app/screens/YwTJ-G_Qrjs/00-11-07.png)