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Did a water change this past weekend. Our water source is very clear well water and I needed to increase the PH and Alk levels, then also add Dichlor.My method is to add the PH increaser (Sodium Carbonate) first, then add the Dichlor.I predilute the chems. individually, by dipping a small plastic bucket into the tub water, add the chems. to the bucket, stir, then into the tub.While doing this, a couple of questions cross my mind: First should I adjust the PH and Alk before adding the Dichlor or vice-versa ? Second, does the temperature of the water have any effect on the readings for the chems?The well water was at 49 F, and I put the chems. in at that temp., then let the full jets run for about 5 minutes before testing and further additions. proper levels were eventually achieved. I always try to start lower then work up to the proper levels.Also,I believe I have read prior posts that Bicarbonate of Soda (Baking Soda) can be used as an alternative to Sodium Carbonate is that correct?Thanks in advance for your replies.
The water temp won't have a big effect on the chem readings but aerating the water will push the pH up.