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Sk8r · 04/20/2018, 10:35 AM

Only 2 tsp of kalk CAN dissolve in ro/di water, so overdosing is pretty well impossible: if you overdose, the excess will lie at the bottom of the reservoir until you add more fresh water. You CAN have a topoff accident that dumps too much kalked ro/di into your tank (a whiteout) but your greatest harm likely comes from the overdose of ro/di, not the kalk. There is a ph rise if this happens, but it self-corrects pretty fast. A teaspoon of Schweppes Bar Soda (your grocery drink aisle) per 50 gallons of tank can help correct this somewhat, but don't over-correct. Kalk is about the safest dosing system. It CAN chew up your topoff pump. Maxijet can't take it. Eheim pumps can.

04/20/2018, 10:35 AM	#9
Sk8r RC Mod Join Date: Feb 2006 Location: Spokane WA Posts: 34,628 Blog Entries: 55	Only 2 tsp of kalk CAN dissolve in ro/di water, so overdosing is pretty well impossible: if you overdose, the excess will lie at the bottom of the reservoir until you add more fresh water. You CAN have a topoff accident that dumps too much kalked ro/di into your tank (a whiteout) but your greatest harm likely comes from the overdose of ro/di, not the kalk. There is a ph rise if this happens, but it self-corrects pretty fast. A teaspoon of Schweppes Bar Soda (your grocery drink aisle) per 50 gallons of tank can help correct this somewhat, but don't over-correct. Kalk is about the safest dosing system. It CAN chew up your topoff pump. Maxijet can't take it. Eheim pumps can. __________________ Sk8r Salinity 1.024-6; alkalinity 8.3-9.3 on KH scale; calcium 420; magnesium 1300, temp 78-80, nitrate .2. Ammonia 0. No filters: lps tank. Alk and cal won't rise if mg is low. Current Tank Info: 105g AquaVim wedge, yellow tang, sailfin blenny,royal gramma, ocellaris clown pair, yellow watchman, 100 microceriths, 25 tiny hermits, a 4" conch, 1" nassarius, recovering from 2 year hiatus with daily water change of 10%.