a Chl probe for Micro RX from Astra pool and a Ph DOS probe from Pacific

Hello, I am looking for a Chl probe for Micro RX from Astra pool and a Ph DOS probe from Pacific industry. What are the references? Thanks in advance.

Good evening

For pH https: // probe-ph-redox- piscine.fr/pacific-ph/338- probe-ph-pour-pacific-ph.html

https: // probe-ph-redox- piscine.fr/astralpool/98- probe-redox-for-micro-redox. html