Details for Resolving Widespread Tank Clogging due to a Chemical Reaction

Like Rex stated, you likely have KTS(potassium thiosulfate). In jar testing these 2 products a several years ago I saw a similar reaction after a few hours. KTS weighs 12.2 lbs per gal and 28% is around 11 lbs per gal. Like Kyle stated, you can use a product like Blendex or Combine to get them to mix, but just know that even then the result will probably be temporary. Heat can help but again I would assume only for a short time. KTS is rather hot by itself, so be careful to whatever crop you plan to apply this to.

Product called Growthful from aqueous, a .1pH that does not burn. Use it to clean pump and storage equipment, center pivot, drip lines. 4-5% rate with water. -8 oz per acre, can be used as a fungicide, increasing the transfer of protons over the cell wall.

Hate to bear un good news, but you are probably in for a little extra work. 0-0-25-17(S) is NOT potassium sulfate (K2SO4), it is usually potassium THIO-sulfate (K2S2O3). Sometimes (often) KTS contains SOME free SO4 and UAN always contains some of its N in the NO3 form. When mixing these 2 fairly saturated solutions, free SO4 from the KTS and/or NO3 from the UAN can and do form potassium nitrate or potassium sulfate. NKO3 and K2SO4 are both less water soluble than their predecessor products. Why or how, I’m not scientifically sure, but it happens. Formation of KNO3 will usually result in a thick milky jelly or soft crystals. K2SO4 will eventually form diamond-like crystals (and almost as hard), depending on ratio and concentration of the mix. The “jelly” sludge can likely be somewhat reconstituted by adding water and vigorous agitation. K2SO4 crystals MAY be much harder to get dissolved without heat or acidification. This issue CAN be avoided if the solution is diluted with water at time of or during initial mixing. Dilution rate is dependant on ratios of KTS to UAN and the quality of KTS (free SO4 ion content can&does vary in KTS sources). At one time, KTS manufacturers provided mixing and dilution recommendations for UAN and KTS ratios. Mebbe a more “elderly” (lol) KTS sales rep or technical person can find those for you. Another persons recommendation of a “jar test”PRIOR to field-scale mixing of unfamiliar products is always sound advice. Good luck and have fun!

The is a product called UNITE I think from Univar (at least it was back in the day) it works!

Typically if you take the liquid off the top add and add hot water and agitate it will reconstitute

Always do a jar test of the products. This will save you a lot of headaches! The mixing of this will produce KNO3 crystals. Options are water or a little heat. Try a sample of the sludge first.

Compatibility agents are your best bet, sometimes it works well and sometimes it’s too late. Worth a shot before you dump it out

If it is still a jelly there is hope. There are products on the market like Linke from AgXplore that will buffer pH and might allow you to get the mix out of the tank. But before you add any other product to the tank, take a sample and jar test it to see of the reaction goes in your favor. Good luck!