Pay in 4 interest-free payments of $2.63 Learn more
Ships within 48 hours · Estimated delivery Nov 14 - Nov 19
Great for spot application
They come in clearly marked biodegradable UV resistant sleeves for comfortable handling and algae prevention
1 year warranty
AN Overdrive 23L
Very durable and reliable
Bluelab pH 4.0 Calibration Solution 500 ml iPower Grow Lights Great for spot applicationpH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7. 0 first (buffer) then to pH 4. 0 (slope). Calibration Solutions should be stored in a cool place out of direct sun and heat. They should be stored with the lids securely tightened.
US$ 13.99
US$ 168.00
US$ 138.00
US$ 226.44
US$ 69.56
US$ 569.19
US$ 68.18
US$ 42.00
US$ 95.80
US$ 179.00
US$ 158.00
US$ 19.24
US$ 69.56
US$ 141.17
US$ 106.21
US$ 220.93
